++ 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=f765385f-47fb-44f9-8e40-020ab2685782 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:34:4d:70 + echo f765385f-47fb-44f9-8e40-020ab2685782 + echo fa:16:3e:34:4d:70