++ 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=7bc602b8-8ce7-4c67-949e-a8b12bc48c39 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:ed:62:fd + echo 7bc602b8-8ce7-4c67-949e-a8b12bc48c39 + echo fa:16:3e:ed:62:fd