OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-924940-0): addr:8a:c8:ab:a6:d4:6d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-0be8cc-0): addr:ea:1e:f5:26:9f:b3
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-2d917a-0): addr:e2:82:e9:07:38:fe
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:4e:87:2a:22:8d:fb
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
