++ 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=3c494c05-bda7-4969-b862-5bd6f77c466b ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:5a:3c:db + echo 3c494c05-bda7-4969-b862-5bd6f77c466b + echo fa:16:3e:5a:3c:db