I0420 10:49:19.510920 1 nfd-worker.go:222] "Node Feature Discovery Worker" version="v0.15.4" nodeName="instance" namespace="monitoring" I0420 10:49:19.511178 1 nfd-worker.go:508] "configuration file parsed" path="/etc/kubernetes/node-feature-discovery/nfd-worker.conf" I0420 10:49:19.511419 1 nfd-worker.go:540] "configuration successfully updated" configuration={"Core":{"Klog":{},"LabelWhiteList":"","NoPublish":false,"FeatureSources":["all"],"Sources":null,"LabelSources":["all"],"SleepInterval":{"Duration":60000000000}},"Sources":{"cpu":{"cpuid":{"attributeBlacklist":["BMI1","BMI2","CLMUL","CMOV","CX16","ERMS","F16C","HTT","LZCNT","MMX","MMXEXT","NX","POPCNT","RDRAND","RDSEED","RDTSCP","SGX","SGXLC","SSE","SSE2","SSE3","SSE4","SSE42","SSSE3","TDX_GUEST"]}},"custom":[],"fake":{"labels":{"fakefeature1":"true","fakefeature2":"true","fakefeature3":"true"},"flagFeatures":["flag_1","flag_2","flag_3"],"attributeFeatures":{"attr_1":"true","attr_2":"false","attr_3":"10"},"instanceFeatures":[{"attr_1":"true","attr_2":"false","attr_3":"10","attr_4":"foobar","name":"instance_1"},{"attr_1":"true","attr_2":"true","attr_3":"100","name":"instance_2"},{"name":"instance_3"}]},"kernel":{"KconfigFile":"","configOpts":["NO_HZ","NO_HZ_IDLE","NO_HZ_FULL","PREEMPT"]},"local":{},"pci":{"deviceClassWhitelist":["03","0b40","12"],"deviceLabelFields":["class","vendor"]},"usb":{"deviceClassWhitelist":["0e","ef","fe","ff"],"deviceLabelFields":["class","vendor","device"]}}} I0420 10:49:19.511658 1 metrics.go:44] "metrics server starting" port=":8081" E0420 10:49:19.525893 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0420 10:49:19.526160 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0420 10:49:19.526381 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" I0420 10:49:19.534440 1 nfd-worker.go:550] "starting feature discovery..." I0420 10:49:19.534944 1 nfd-worker.go:563] "feature discovery completed" I0420 10:49:19.546098 1 nfd-worker.go:698] "creating NodeFeature object" nodefeature="" E0420 10:50:19.531273 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0420 10:50:19.531453 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0420 10:50:19.531662 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" I0420 10:50:19.540505 1 nfd-worker.go:550] "starting feature discovery..." I0420 10:50:19.541031 1 nfd-worker.go:563] "feature discovery completed" I0420 10:50:19.684293 1 nfd-worker.go:731] "updating NodeFeature object" nodefeature="monitoring/instance" E0420 10:51:19.531372 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0420 10:51:19.531594 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0420 10:51:19.531749 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" I0420 10:51:19.540755 1 nfd-worker.go:550] "starting feature discovery..." I0420 10:51:19.541109 1 nfd-worker.go:563] "feature discovery completed" E0420 10:52:19.524735 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0420 10:52:19.525001 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0420 10:52:19.525217 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" I0420 10:52:19.533691 1 nfd-worker.go:550] "starting feature discovery..." I0420 10:52:19.534220 1 nfd-worker.go:563] "feature discovery completed" I0420 10:52:19.668100 1 nfd-worker.go:731] "updating NodeFeature object" nodefeature="monitoring/instance" E0420 10:53:19.528314 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0420 10:53:19.528600 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0420 10:53:19.528793 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" I0420 10:53:19.537621 1 nfd-worker.go:550] "starting feature discovery..." I0420 10:53:19.538224 1 nfd-worker.go:563] "feature discovery completed" E0420 10:54:19.555261 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0420 10:54:19.555531 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0420 10:54:19.555754 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" I0420 10:54:19.561199 1 nfd-worker.go:550] "starting feature discovery..." I0420 10:54:19.561436 1 nfd-worker.go:563] "feature discovery completed" E0420 10:55:19.555206 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0420 10:55:19.555484 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0420 10:55:19.555749 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" I0420 10:55:19.560713 1 nfd-worker.go:550] "starting feature discovery..." I0420 10:55:19.560958 1 nfd-worker.go:563] "feature discovery completed" I0420 10:55:19.711803 1 nfd-worker.go:731] "updating NodeFeature object" nodefeature="monitoring/instance" E0420 10:56:19.552396 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0420 10:56:19.552638 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0420 10:56:19.552805 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" I0420 10:56:19.560636 1 nfd-worker.go:550] "starting feature discovery..." I0420 10:56:19.561245 1 nfd-worker.go:563] "feature discovery completed" I0420 10:56:19.698907 1 nfd-worker.go:731] "updating NodeFeature object" nodefeature="monitoring/instance" E0420 10:57:19.537759 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0420 10:57:19.537932 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0420 10:57:19.538053 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" I0420 10:57:19.542668 1 nfd-worker.go:550] "starting feature discovery..." I0420 10:57:19.542901 1 nfd-worker.go:563] "feature discovery completed" I0420 10:57:19.677157 1 nfd-worker.go:731] "updating NodeFeature object" nodefeature="monitoring/instance" E0420 10:58:19.531160 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0420 10:58:19.531309 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0420 10:58:19.531420 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" I0420 10:58:19.535473 1 nfd-worker.go:550] "starting feature discovery..." I0420 10:58:19.535693 1 nfd-worker.go:563] "feature discovery completed" I0420 10:58:19.677197 1 nfd-worker.go:731] "updating NodeFeature object" nodefeature="monitoring/instance" E0420 10:59:19.569483 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0420 10:59:19.569650 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0420 10:59:19.569786 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" I0420 10:59:19.576382 1 nfd-worker.go:550] "starting feature discovery..." I0420 10:59:19.576857 1 nfd-worker.go:563] "feature discovery completed" I0420 10:59:19.812133 1 nfd-worker.go:731] "updating NodeFeature object" nodefeature="monitoring/instance" E0420 11:00:19.556278 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0420 11:00:19.556449 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0420 11:00:19.556588 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" I0420 11:00:19.561930 1 nfd-worker.go:550] "starting feature discovery..." I0420 11:00:19.562159 1 nfd-worker.go:563] "feature discovery completed" I0420 11:00:19.778180 1 nfd-worker.go:731] "updating NodeFeature object" nodefeature="monitoring/instance" E0420 11:01:19.551390 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0420 11:01:19.551902 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0420 11:01:19.552124 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" I0420 11:01:19.567667 1 nfd-worker.go:550] "starting feature discovery..." I0420 11:01:19.568119 1 nfd-worker.go:563] "feature discovery completed" I0420 11:01:19.709621 1 nfd-worker.go:731] "updating NodeFeature object" nodefeature="monitoring/instance" E0420 11:02:19.545470 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/br-ex/speed: invalid argument" attributeName="speed" E0420 11:02:19.545693 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0420 11:02:19.545846 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0420 11:02:19.545974 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" E0420 11:02:19.549190 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/ovs-system/speed: invalid argument" attributeName="speed" I0420 11:02:19.553932 1 nfd-worker.go:550] "starting feature discovery..." I0420 11:02:19.554192 1 nfd-worker.go:563] "feature discovery completed" I0420 11:02:19.689135 1 nfd-worker.go:731] "updating NodeFeature object" nodefeature="monitoring/instance" E0420 11:03:19.548255 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/br-ex/speed: invalid argument" attributeName="speed" E0420 11:03:19.548377 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/br-int/speed: invalid argument" attributeName="speed" E0420 11:03:19.548554 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/br-tun/speed: invalid argument" attributeName="speed" E0420 11:03:19.549305 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0420 11:03:19.550119 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0420 11:03:19.550418 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" E0420 11:03:19.555658 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/ovs-system/speed: invalid argument" attributeName="speed" I0420 11:03:19.558605 1 nfd-worker.go:550] "starting feature discovery..." I0420 11:03:19.558837 1 nfd-worker.go:563] "feature discovery completed" I0420 11:03:20.090724 1 nfd-worker.go:731] "updating NodeFeature object" nodefeature="monitoring/instance" E0420 11:04:19.563767 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/br-ex/speed: invalid argument" attributeName="speed" E0420 11:04:19.563847 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/br-int/speed: invalid argument" attributeName="speed" E0420 11:04:19.563949 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/br-tun/speed: invalid argument" attributeName="speed" E0420 11:04:19.564003 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0420 11:04:19.564154 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0420 11:04:19.564279 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" E0420 11:04:19.569066 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/ovs-system/speed: invalid argument" attributeName="speed" I0420 11:04:19.571982 1 nfd-worker.go:550] "starting feature discovery..." I0420 11:04:19.572234 1 nfd-worker.go:563] "feature discovery completed" I0420 11:04:19.799938 1 nfd-worker.go:731] "updating NodeFeature object" nodefeature="monitoring/instance" E0420 11:05:19.549329 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/br-ex/speed: invalid argument" attributeName="speed" E0420 11:05:19.549411 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/br-int/speed: invalid argument" attributeName="speed" E0420 11:05:19.549521 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/br-tun/speed: invalid argument" attributeName="speed" E0420 11:05:19.549579 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0420 11:05:19.549729 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0420 11:05:19.549856 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" E0420 11:05:19.561442 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/ovs-system/speed: invalid argument" attributeName="speed" I0420 11:05:19.564257 1 nfd-worker.go:550] "starting feature discovery..." I0420 11:05:19.564515 1 nfd-worker.go:563] "feature discovery completed" E0420 11:06:19.548731 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/br-ex/speed: invalid argument" attributeName="speed" E0420 11:06:19.548818 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/br-int/speed: invalid argument" attributeName="speed" E0420 11:06:19.548926 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/br-tun/speed: invalid argument" attributeName="speed" E0420 11:06:19.548983 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0420 11:06:19.549161 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0420 11:06:19.549311 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" E0420 11:06:19.553276 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/ovs-system/speed: invalid argument" attributeName="speed" I0420 11:06:19.560175 1 nfd-worker.go:550] "starting feature discovery..." I0420 11:06:19.560758 1 nfd-worker.go:563] "feature discovery completed" E0420 11:07:19.532886 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/br-ex/speed: invalid argument" attributeName="speed" E0420 11:07:19.533214 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/br-int/speed: invalid argument" attributeName="speed" E0420 11:07:19.533336 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/br-tun/speed: invalid argument" attributeName="speed" E0420 11:07:19.533396 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0420 11:07:19.533554 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0420 11:07:19.533674 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" E0420 11:07:19.539924 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/ovs-system/speed: invalid argument" attributeName="speed" I0420 11:07:19.544148 1 nfd-worker.go:550] "starting feature discovery..." I0420 11:07:19.544606 1 nfd-worker.go:563] "feature discovery completed" E0420 11:08:19.548859 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/br-ex/speed: invalid argument" attributeName="speed" E0420 11:08:19.549008 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/br-int/speed: invalid argument" attributeName="speed" E0420 11:08:19.549198 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/br-tun/speed: invalid argument" attributeName="speed" E0420 11:08:19.549337 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0420 11:08:19.549621 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0420 11:08:19.550063 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" E0420 11:08:19.553875 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/ovs-system/speed: invalid argument" attributeName="speed" I0420 11:08:19.556545 1 nfd-worker.go:550] "starting feature discovery..." I0420 11:08:19.556776 1 nfd-worker.go:563] "feature discovery completed" E0420 11:09:19.555780 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/br-ex/speed: invalid argument" attributeName="speed" E0420 11:09:19.555878 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/br-int/speed: invalid argument" attributeName="speed" E0420 11:09:19.556036 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/br-tun/speed: invalid argument" attributeName="speed" E0420 11:09:19.556152 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0420 11:09:19.556399 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0420 11:09:19.556580 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" E0420 11:09:19.560562 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/ovs-system/speed: invalid argument" attributeName="speed" I0420 11:09:19.564723 1 nfd-worker.go:550] "starting feature discovery..." I0420 11:09:19.565016 1 nfd-worker.go:563] "feature discovery completed" E0420 11:10:19.550534 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/br-ex/speed: invalid argument" attributeName="speed" E0420 11:10:19.550618 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/br-int/speed: invalid argument" attributeName="speed" E0420 11:10:19.550725 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/br-tun/speed: invalid argument" attributeName="speed" E0420 11:10:19.550786 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0420 11:10:19.550947 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0420 11:10:19.551105 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" E0420 11:10:19.554859 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/ovs-system/speed: invalid argument" attributeName="speed" I0420 11:10:19.557706 1 nfd-worker.go:550] "starting feature discovery..." I0420 11:10:19.557976 1 nfd-worker.go:563] "feature discovery completed" E0420 11:11:19.533929 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/br-ex/speed: invalid argument" attributeName="speed" E0420 11:11:19.534114 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/br-int/speed: invalid argument" attributeName="speed" E0420 11:11:19.534488 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/br-tun/speed: invalid argument" attributeName="speed" E0420 11:11:19.534562 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0420 11:11:19.534722 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0420 11:11:19.534835 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" E0420 11:11:19.537857 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/ovs-system/speed: invalid argument" attributeName="speed" I0420 11:11:19.541282 1 nfd-worker.go:550] "starting feature discovery..." I0420 11:11:19.541540 1 nfd-worker.go:563] "feature discovery completed"