++ 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=a4ff26b8-057a-4c7b-85b1-16c36b0e4331 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:0d:72:92 + echo a4ff26b8-057a-4c7b-85b1-16c36b0e4331 + echo fa:16:3e:0d:72:92