++ 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=6c4d3d75-deb7-49b5-9a22-3746e82e4ca1
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:6c:75:0e
+ echo 6c4d3d75-deb7-49b5-9a22-3746e82e4ca1
+ echo fa:16:3e:6c:75:0e