++ 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=ef9613b0-fce4-4318-bb60-f90774b8c209 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:24:ca:5f + echo ef9613b0-fce4-4318-bb60-f90774b8c209 + echo fa:16:3e:24:ca:5f