++ 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=4e1d660e-acab-42cf-a1fa-9414d5e19026 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:e3:20:ef + echo 4e1d660e-acab-42cf-a1fa-9414d5e19026 + echo fa:16:3e:e3:20:ef