OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-e279a7-0): addr:ca:b0:90:c2:2d:ab
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:f6:84:b8:67:87:d3
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
