OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-57089e-0): addr:ce:07:ed:ea:27:da
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-ca3ef1-0): addr:ba:fe:cb:0f:34:50
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:32:ad:37:f5:78:02
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
