++ 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=3f9b5561-4ee0-4366-a810-524467196b2a ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:0a:f7:c7 + echo 3f9b5561-4ee0-4366-a810-524467196b2a + echo fa:16:3e:0a:f7:c7