OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-facc7c-0): addr:46:14:0e:b7:25:3e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-e3f377-0): addr:ca:3e:e4:3b:75:1a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-5c7f3d-0): addr:7e:e6:5e:f4:d7:54
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:66:90:da:04:8c:3a
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
