++ 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=139d25f6-6753-4829-93f9-b137e4d19144 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:0d:ef:da + echo 139d25f6-6753-4829-93f9-b137e4d19144 + echo fa:16:3e:0d:ef:da