++ 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=a455b205-ddff-4a7c-a364-fd331d6c9c5a ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:3e:ae:fe + echo a455b205-ddff-4a7c-a364-fd331d6c9c5a + echo fa:16:3e:3e:ae:fe