OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-38ab03-0): addr:d2:14:c8:82:f8:eb
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-a1a60c-0): addr:56:36:7b:a4:ce:76
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-49146e-0): addr:82:76:0c:a3:8f:4d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:22:25:e0:c7:c2:d4
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
