++ 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=f6f2eba1-7710-42b3-9abd-aeaa73df557f
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:51:92:39
+ echo f6f2eba1-7710-42b3-9abd-aeaa73df557f
+ echo fa:16:3e:51:92:39