Control group /:
-.slice
├─sys-fs-fuse-connections.mount 
├─sys-kernel-config.mount 
├─sys-kernel-debug.mount 
├─dev-mqueue.mount 
├─user.slice 
│ ├─user-1002.slice 
│ │ ├─user@1002.service …
│ │ │ ├─app.slice 
│ │ │ └─init.scope 
│ │ │   ├─25255 /lib/systemd/systemd --user
│ │ │   └─25256 (sd-pam)
│ │ └─session-22.scope 
│ │   ├─25252 sshd: cephadm [priv]
│ │   └─25269 sshd: cephadm@notty
│ └─user-1000.slice 
│   ├─user@1000.service …
│   │ ├─app.slice 
│   │ └─init.scope 
│   │   ├─709 /lib/systemd/systemd --user
│   │   └─710 (sd-pam)
│   ├─session-4.scope 
│   │ ├─1462 sshd: zuul [priv]
│   │ └─1475 sshd: zuul@notty
│   └─session-1.scope 
│     ├─  706 sshd: zuul [priv]
│     ├─  723 sshd: zuul@notty
│     ├─  868 /usr/bin/python3
│     ├─ 1466 ssh: /home/zuul/.ansible/cp/162.253.55.204-22-zuul [mux]
│     ├─28408 sh -c /bin/sh -c 'sudo -H -S -n  -u root /bin/sh -c '"'"'echo BECOME-SUCCESS-fslfiazbsiixqdykvuzppwuqwrknqoaj ; /usr/bin/python3'"'"' && sleep 0'
│     ├─28409 /bin/sh -c sudo -H -S -n  -u root /bin/sh -c 'echo BECOME-SUCCESS-fslfiazbsiixqdykvuzppwuqwrknqoaj ; /usr/bin/python3' && sleep 0
│     ├─28410 sudo -H -S -n -u root /bin/sh -c echo BECOME-SUCCESS-fslfiazbsiixqdykvuzppwuqwrknqoaj ; /usr/bin/python3
│     ├─28411 /bin/sh -c echo BECOME-SUCCESS-fslfiazbsiixqdykvuzppwuqwrknqoaj ; /usr/bin/python3
│     ├─28412 /usr/bin/python3
│     ├─28413 /bin/bash -c set -x
systemd-cgls --full --all --no-pager > /tmp/logs/system/systemd-cgls.txt
ip addr > /tmp/logs/system/ip-addr.txt
ip route > /tmp/logs/system/ip-route.txt
lsblk > /tmp/logs/system/lsblk.txt
mount > /tmp/logs/system/mount.txt
docker images > /tmp/logs/system/docker-images.txt
brctl show > /tmp/logs/system/brctl-show.txt
ps aux --sort=-%mem > /tmp/logs/system/ps.txt
dpkg -l > /tmp/logs/system/packages.txt
CONTAINERS=($(docker ps -a --format '{{ .Names }}' --filter label=zuul))
if [ ! -z "$CONTAINERS" ]; then
  mkdir -p "/tmp/logs/system/containers"
  for CONTAINER in ${CONTAINERS}; do
    docker logs "${CONTAINER}" > "/tmp/logs/system/containers/${CONTAINER}.txt"
  done
fi
│     └─28415 systemd-cgls --full --all --no-pager
├─sys-kernel-tracing.mount 
├─init.scope 
│ └─1 /lib/systemd/systemd --system --deserialize 40 nofb
├─system.slice 
│ ├─containerd.service …
│ │ ├─11977 /usr/bin/containerd --config /etc/containerd/config.toml
│ │ ├─15150 /usr/bin/containerd-shim-runc-v2 -namespace moby -id 9d3594e800ecad89998f38d76beab73b6df242e3f97a9c28a83ad3d653b45669 -address /run/containerd/containerd.sock
│ │ ├─15556 /usr/bin/containerd-shim-runc-v2 -namespace moby -id 7bddf5e2001a37855481f9f7ddfb0aa1f015db669d39e7673fab0736c5d8ee4b -address /run/containerd/containerd.sock
│ │ └─22695 /usr/bin/containerd-shim-runc-v2 -namespace moby -id d8262255d82f934bc107320883cf3e0fb76b5c139fe08bb4c92508c155f73186 -address /run/containerd/containerd.sock
│ ├─packagekit.service 
│ │ └─1189 /usr/libexec/packagekitd
│ ├─systemd-networkd.service 
│ │ └─526 /lib/systemd/systemd-networkd
│ ├─systemd-udevd.service 
│ │ └─395 /lib/systemd/systemd-udevd
│ ├─system-serial\x2dgetty.slice 
│ │ └─serial-getty@ttyS0.service 
│ │   └─633 /sbin/agetty -o -p -- \u --keep-baud 115200,57600,38400,9600 ttyS0 vt220
│ ├─system-ceph\x2d4837cbf8\x2d4f90\x2d4300\x2db3f6\x2d726c9b9f89b4.slice 
│ │ ├─ceph-4837cbf8-4f90-4300-b3f6-726c9b9f89b4@crash.instance.service 
│ │ │ ├─22651 /bin/bash /var/lib/ceph/4837cbf8-4f90-4300-b3f6-726c9b9f89b4/crash.instance/unit.run
│ │ │ └─22672 /usr/bin/docker run --rm --ipc=host --stop-signal=SIGTERM --ulimit nofile=1048576 --net=host --entrypoint /usr/bin/ceph-crash --init --name ceph-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-crash-instance --pids-limit=0 -e CONTAINER_IMAGE=quay.io/ceph/ceph@sha256:1b9158ce28975f95def6a0ad459fa19f1336506074267a4b47c1bd914a00fec0 -e NODE_NAME=instance -e TCMALLOC_MAX_TOTAL_THREAD_CACHE_BYTES=134217728 -v /var/run/ceph/4837cbf8-4f90-4300-b3f6-726c9b9f89b4:/var/run/ceph:z -v /var/log/ceph/4837cbf8-4f90-4300-b3f6-726c9b9f89b4:/var/log/ceph:z -v /var/lib/ceph/4837cbf8-4f90-4300-b3f6-726c9b9f89b4/crash:/var/lib/ceph/crash:z -v /var/lib/ceph/4837cbf8-4f90-4300-b3f6-726c9b9f89b4/crash.instance/config:/etc/ceph/ceph.conf:z -v /var/lib/ceph/4837cbf8-4f90-4300-b3f6-726c9b9f89b4/crash.instance/keyring:/etc/ceph/ceph.client.crash.instance.keyring quay.io/ceph/ceph@sha256:1b9158ce28975f95def6a0ad459fa19f1336506074267a4b47c1bd914a00fec0 -n client.crash.instance
│ │ ├─ceph-4837cbf8-4f90-4300-b3f6-726c9b9f89b4@mgr.instance.xrnmga.service 
│ │ │ ├─15467 /bin/bash /var/lib/ceph/4837cbf8-4f90-4300-b3f6-726c9b9f89b4/mgr.instance.xrnmga/unit.run
│ │ │ └─15500 /usr/bin/docker run --rm --ipc=host --stop-signal=SIGTERM --ulimit nofile=1048576 --net=host --entrypoint /usr/bin/ceph-mgr --init --name ceph-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-mgr-instance-xrnmga --pids-limit=0 -e CONTAINER_IMAGE=quay.io/ceph/ceph:v18.2.7 -e NODE_NAME=instance -e TCMALLOC_MAX_TOTAL_THREAD_CACHE_BYTES=134217728 -v /var/run/ceph/4837cbf8-4f90-4300-b3f6-726c9b9f89b4:/var/run/ceph:z -v /var/log/ceph/4837cbf8-4f90-4300-b3f6-726c9b9f89b4:/var/log/ceph:z -v /var/lib/ceph/4837cbf8-4f90-4300-b3f6-726c9b9f89b4/crash:/var/lib/ceph/crash:z -v /var/lib/ceph/4837cbf8-4f90-4300-b3f6-726c9b9f89b4/mgr.instance.xrnmga:/var/lib/ceph/mgr/ceph-instance.xrnmga:z -v /var/lib/ceph/4837cbf8-4f90-4300-b3f6-726c9b9f89b4/mgr.instance.xrnmga/config:/etc/ceph/ceph.conf:z quay.io/ceph/ceph:v18.2.7 -n mgr.instance.xrnmga -f --setuser ceph --setgroup ceph --default-log-to-file=false --default-log-to-stderr=true --default-log-stderr-prefix=debug
│ │ └─ceph-4837cbf8-4f90-4300-b3f6-726c9b9f89b4@mon.instance.service 
│ │   ├─15101 /bin/bash /var/lib/ceph/4837cbf8-4f90-4300-b3f6-726c9b9f89b4/mon.instance/unit.run
│ │   └─15132 /usr/bin/docker run --rm --ipc=host --stop-signal=SIGTERM --ulimit nofile=1048576 --net=host --entrypoint /usr/bin/ceph-mon --privileged --group-add=disk --init --name ceph-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-mon-instance --pids-limit=0 -e CONTAINER_IMAGE=quay.io/ceph/ceph:v18.2.7 -e NODE_NAME=instance -e TCMALLOC_MAX_TOTAL_THREAD_CACHE_BYTES=134217728 -v /var/run/ceph/4837cbf8-4f90-4300-b3f6-726c9b9f89b4:/var/run/ceph:z -v /var/log/ceph/4837cbf8-4f90-4300-b3f6-726c9b9f89b4:/var/log/ceph:z -v /var/lib/ceph/4837cbf8-4f90-4300-b3f6-726c9b9f89b4/crash:/var/lib/ceph/crash:z -v /var/lib/ceph/4837cbf8-4f90-4300-b3f6-726c9b9f89b4/mon.instance:/var/lib/ceph/mon/ceph-instance:z -v /var/lib/ceph/4837cbf8-4f90-4300-b3f6-726c9b9f89b4/mon.instance/config:/etc/ceph/ceph.conf:z -v /dev:/dev -v /run/udev:/run/udev quay.io/ceph/ceph:v18.2.7 -n mon.instance -f --setuser ceph --setgroup ceph --default-log-to-file=false --default-log-to-stderr=true --default-log-stderr-prefix=debug  --default-mon-cluster-log-to-file=false --default-mon-cluster-log-to-stderr=true
│ ├─docker.service …
│ │ └─12719 /usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock
│ ├─polkit.service 
│ │ └─649 /usr/libexec/polkitd --no-debug
│ ├─networkd-dispatcher.service 
│ │ └─624 /usr/bin/python3 /usr/bin/networkd-dispatcher --run-startup-triggers
│ ├─system-modprobe.slice 
│ ├─systemd-journald.service 
│ │ └─362 /lib/systemd/systemd-journald
│ ├─ssh.service 
│ │ └─655 sshd: /usr/sbin/sshd -D [listener] 0 of 10-100 startups
│ ├─docker-9d3594e800ecad89998f38d76beab73b6df242e3f97a9c28a83ad3d653b45669.scope …
│ │ ├─15206 /sbin/docker-init -- /usr/bin/ceph-mon -n mon.instance -f --setuser ceph --setgroup ceph --default-log-to-file=false --default-log-to-stderr=true --default-log-stderr-prefix=debug  --default-mon-cluster-log-to-file=false --default-mon-cluster-log-to-stderr=true
│ │ └─15226 /usr/bin/ceph-mon -n mon.instance -f --setuser ceph --setgroup ceph --default-log-to-file=false --default-log-to-stderr=true --default-log-stderr-prefix=debug  --default-mon-cluster-log-to-file=false --default-mon-cluster-log-to-stderr=true
│ ├─cloud-final.service 
│ ├─uuidd.service 
│ │ └─1397 /usr/sbin/uuidd --socket-activation
│ ├─cloud-config.service 
│ ├─chrony.service 
│ │ ├─13284 /usr/sbin/chronyd -F 1
│ │ └─13285 /usr/sbin/chronyd -F 1
│ ├─docker-7bddf5e2001a37855481f9f7ddfb0aa1f015db669d39e7673fab0736c5d8ee4b.scope …
│ │ ├─15581 /sbin/docker-init -- /usr/bin/ceph-mgr -n mgr.instance.xrnmga -f --setuser ceph --setgroup ceph --default-log-to-file=false --default-log-to-stderr=true --default-log-stderr-prefix=debug
│ │ └─15600 /usr/bin/ceph-mgr -n mgr.instance.xrnmga -f --setuser ceph --setgroup ceph --default-log-to-file=false --default-log-to-stderr=true --default-log-stderr-prefix=debug
│ ├─docker-d8262255d82f934bc107320883cf3e0fb76b5c139fe08bb4c92508c155f73186.scope …
│ │ ├─22722 /sbin/docker-init -- /usr/bin/ceph-crash -n client.crash.instance
│ │ └─22739 /usr/bin/python3 -s /usr/bin/ceph-crash -n client.crash.instance
│ ├─docker.socket 
│ ├─systemd-resolved.service 
│ │ └─401 /lib/systemd/systemd-resolved
│ ├─system-lvm2\x2dpvscan.slice 
│ ├─dbus.service 
│ │ └─620 @dbus-daemon --system --address=systemd: --nofork --nopidfile --systemd-activation --syslog-only
│ ├─system-getty.slice 
│ │ └─getty@tty1.service 
│ │   └─632 /sbin/agetty -o -p -- \u --noclear tty1 linux
│ └─systemd-logind.service 
│   └─626 /lib/systemd/systemd-logind
├─proc-sys-fs-binfmt_misc.mount 
└─dev-hugepages.mount