++ 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=235abe8f-f2a9-4877-bbe2-e216c834adcd ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:24:ea:e2 + echo 235abe8f-f2a9-4877-bbe2-e216c834adcd + echo fa:16:3e:24:ea:e2