OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-3e460a-0): addr:7a:81:af:30:7a:86
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:7e:5f:79:b6:76:87
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
