++ 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=b45dc0bc-f15a-458e-b2b4-d33af423466c ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:21:b4:9b + echo b45dc0bc-f15a-458e-b2b4-d33af423466c + echo fa:16:3e:21:b4:9b