++ 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=784c7ec9-8b9a-4e50-b10c-65fbfcc772fb ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:d2:20:34 + echo 784c7ec9-8b9a-4e50-b10c-65fbfcc772fb + echo fa:16:3e:d2:20:34