++ 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=4e27e635-e0ea-4ab7-96e4-5b2f47a664ca
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:4c:99:d1
+ echo 4e27e635-e0ea-4ab7-96e4-5b2f47a664ca
+ echo fa:16:3e:4c:99:d1