OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-6e39f0-0): addr:9a:f0:a2:92:82:0e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-d254f5-0): addr:ce:a1:42:64:d1:07
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-235410-0): addr:a6:f8:f1:dd:54:73
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:3e:5e:a8:d9:6b:56
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
