++ 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=0fb41bfd-86c3-499a-980c-51101228ceab ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:1b:b0:39 + echo 0fb41bfd-86c3-499a-980c-51101228ceab + echo fa:16:3e:1b:b0:39