++ 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=e0e22d22-4306-4dea-a7df-4577f58518f3 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:93:e7:b1 + echo e0e22d22-4306-4dea-a7df-4577f58518f3 + echo fa:16:3e:93:e7:b1