++ hostname -s + HOSTNAME=instance + PORTNAME=octavia-health-manager-port-instance ++ openstack port show octavia-health-manager-port-instance -c id -f value + HM_PORT_ID=eac43214-dbcc-49ce-947d-ea0a74e725ac ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:8f:59:9e + echo eac43214-dbcc-49ce-947d-ea0a74e725ac + echo fa:16:3e:8f:59:9e