OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-ac4d0f-0): addr:c2:84:53:f3:e6:01
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-de70ba-0): addr:3a:32:e1:6d:c9:aa
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-9f83c9-0): addr:b2:82:fe:1d:c5:48
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:ae:72:ae:7f:71:e0
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
