OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-920572-0): addr:f2:2a:b7:7e:a5:a7
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-367c1a-0): addr:0a:d8:77:08:b0:f7
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-7c9bfe-0): addr:0a:96:56:21:c0:77
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:7a:b1:f0:9f:14:27
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
