++ 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=4dc6a31d-ce1d-43d8-81c4-b2d2c26d7ffd
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:4e:73:7a
+ echo 4dc6a31d-ce1d-43d8-81c4-b2d2c26d7ffd
+ echo fa:16:3e:4e:73:7a