OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-0ce377-0): addr:0e:63:09:f6:7a:09
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-4cd03f-0): addr:ce:c4:4d:31:85:64
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-b6bccc-0): addr:c6:94:42:55:6a:92
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:6a:ae:dd:ef:41:cf
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
