++ 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=8a25c1ec-48e4-449f-9180-0ad111d72626 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:fe:c0:c8 + echo 8a25c1ec-48e4-449f-9180-0ad111d72626 + echo fa:16:3e:fe:c0:c8