OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-004049-0): addr:06:b9:46:a9:d7:c0
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-270214-0): addr:0a:63:8e:ae:dd:5d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:5e:2e:88:54:5d:59
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
