++ 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=4298ac11-babf-407d-8c47-cf6f906ec89c ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:5e:8c:11 + echo 4298ac11-babf-407d-8c47-cf6f906ec89c + echo fa:16:3e:5e:8c:11