OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-febe6e-0): addr:5e:79:d6:63:20:0b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-00664b-0): addr:f2:ea:be:bf:a1:8b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-147a91-0): addr:c6:07:3d:7e:47:dc
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:0e:e1:04:b9:3d:60
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
