++ 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=4e576008-bff8-4bd1-9890-fa503bca5b07
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:9a:07:c8
+ echo 4e576008-bff8-4bd1-9890-fa503bca5b07
+ echo fa:16:3e:9a:07:c8