++ 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=c176f178-5ddc-42d8-b92c-c871c00a0fd0
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:4a:52:b9
+ echo c176f178-5ddc-42d8-b92c-c871c00a0fd0
+ echo fa:16:3e:4a:52:b9