++ 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=31ef0e89-7321-4169-b748-fac31b72fb94 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:90:57:26 + echo 31ef0e89-7321-4169-b748-fac31b72fb94 + echo fa:16:3e:90:57:26