++ 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=e33ee45f-e38b-4c71-b546-b535ebcb93cc ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:5c:fe:6b + echo e33ee45f-e38b-4c71-b546-b535ebcb93cc + echo fa:16:3e:5c:fe:6b