++ 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=c1e15713-4a2a-40f9-9bdb-88cd410acc4d
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:53:ea:7a
+ echo c1e15713-4a2a-40f9-9bdb-88cd410acc4d
+ echo fa:16:3e:53:ea:7a