++ 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=77c8b7a2-33f7-46c9-8b7b-00b59007e087 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:af:43:34 + echo 77c8b7a2-33f7-46c9-8b7b-00b59007e087 + echo fa:16:3e:af:43:34