++ 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=fbcbd390-67d3-4ef3-83bb-1c5ff8ddabc1 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:f8:37:76 + echo fbcbd390-67d3-4ef3-83bb-1c5ff8ddabc1 + echo fa:16:3e:f8:37:76