++ 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=2c9ee685-3c66-414f-b0c7-b90d4262f7a6 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:28:31:e2 + echo 2c9ee685-3c66-414f-b0c7-b90d4262f7a6 + echo fa:16:3e:28:31:e2