OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-179bc2-0): addr:62:b5:68:d5:c2:44
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-8e4a31-0): addr:5a:8c:54:37:b4:59
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-a1cf5a-0): addr:6a:88:6a:c7:79:e8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(ovn-719bf6-0): addr:fe:09:9e:26:ac:bf
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(ovn-d3c7df-0): addr:22:bf:6d:22:26:09
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(patch-br-int-to): addr:52:e3:49:3a:02:88
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:82:53:02:a1:5b:a1
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
