++ 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=17007599-dce6-4ac3-9c98-5394224f58d5 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:ee:bb:27 + echo 17007599-dce6-4ac3-9c98-5394224f58d5 + echo fa:16:3e:ee:bb:27