++ 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=c11d0ad8-97d5-4449-89c1-2fedf9bc4202
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:48:ee:0c
+ echo c11d0ad8-97d5-4449-89c1-2fedf9bc4202
+ echo fa:16:3e:48:ee:0c