OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-22ecc4-0): addr:56:cb:0e:03:c5:8a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-b66eb3-0): addr:9a:ee:98:75:1d:8d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-c21576-0): addr:ee:07:d9:92:1f:21
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(ovn-f5bb44-0): addr:02:68:79:57:df:92
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(ovn-40c64e-0): addr:56:06:df:dc:bf:b3
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(patch-br-int-to): addr:1e:52:3d:68:20:b7
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:f2:29:ae:5b:fa:f1
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
