++ 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=4ee7bbf1-1647-40a4-9162-5809828d98e2 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:e0:fd:17 + echo 4ee7bbf1-1647-40a4-9162-5809828d98e2 + echo fa:16:3e:e0:fd:17