++ 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=b0e85c8b-03fe-40bd-81f2-0992952b7ab5
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:44:4b:6b
+ echo b0e85c8b-03fe-40bd-81f2-0992952b7ab5
+ echo fa:16:3e:44:4b:6b