++ 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=d74033bb-f928-44f6-95be-0abba9613083
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:09:bb:d2
+ echo d74033bb-f928-44f6-95be-0abba9613083
+ echo fa:16:3e:09:bb:d2