OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-74524e-0): addr:62:6a:54:6a:4d:04
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:62:cf:da:09:59:48
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
