[ 2073.259300][T13340] br0: port 1(dummy0) entered blocking state
[ 2073.259505][T13340] br0: port 1(dummy0) entered disabled state
[ 2073.259665][T13340] dummy0: entered allmulticast mode
[ 2073.260691][T13340] dummy0: entered promiscuous mode
[ 2073.291864][T13341] br0: port 1(dummy0) entered blocking state
[ 2073.292133][T13341] br0: port 1(dummy0) entered forwarding state
[ 2075.267588][   T12] dummy0: left allmulticast mode
[ 2075.268094][   T12] dummy0: left promiscuous mode
[ 2075.268316][   T12] br0: port 1(dummy0) entered disabled state