OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-febe6e-0): addr:b6:e7:b1:0f:94:dc
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-261cb4-0): addr:fa:b2:af:4a:80:7c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-147a91-0): addr:26:49:65:e4:04:1f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:56:48:3a:2e:0e:c2
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
