++ 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=5e80b70c-96e1-473c-9946-841f8cac08b8 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:4d:1a:e2 + echo 5e80b70c-96e1-473c-9946-841f8cac08b8 + echo fa:16:3e:4d:1a:e2