++ 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=a18d4cb0-5507-4002-b796-78c0c7f14d2b
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:e2:b0:3f
+ echo a18d4cb0-5507-4002-b796-78c0c7f14d2b
+ echo fa:16:3e:e2:b0:3f