++ 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=f40cda7f-c884-4b63-aa08-5d43892f0099 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:da:5f:4b + echo f40cda7f-c884-4b63-aa08-5d43892f0099 + echo fa:16:3e:da:5f:4b