++ 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=eca31c30-71ae-458d-8e98-026217010d51 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:71:44:d1 + echo eca31c30-71ae-458d-8e98-026217010d51 + echo fa:16:3e:71:44:d1