OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-f6640d-0): addr:76:98:88:77:b4:0c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-fae732-0): addr:62:4a:0b:dc:e1:48
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-803b13-0): addr:1a:9c:3a:a3:a7:0c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:a2:e3:a7:22:8a:75
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
