++ 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=d47b8d3e-b1a8-41c2-94ca-48b329bbe1a2
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:a8:b6:d7
+ echo d47b8d3e-b1a8-41c2-94ca-48b329bbe1a2
+ echo fa:16:3e:a8:b6:d7