++ 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=78c0d22e-ba07-4307-94e9-250b5815ff11 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:94:ff:75 + echo 78c0d22e-ba07-4307-94e9-250b5815ff11 + echo fa:16:3e:94:ff:75