++ 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=758a91e1-cff2-4aca-b3f5-3d939080f3b1
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:67:b4:0c
+ echo 758a91e1-cff2-4aca-b3f5-3d939080f3b1
+ echo fa:16:3e:67:b4:0c