++ 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=ac58ab19-e7ac-4ae2-bda1-7873722e2378 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:9a:4c:70 + echo ac58ab19-e7ac-4ae2-bda1-7873722e2378 + echo fa:16:3e:9a:4c:70