[ 2156.658203][T29733] br0: port 1(dummy0) entered blocking state
[ 2156.658510][T29733] br0: port 1(dummy0) entered disabled state
[ 2156.658818][T29733] dummy0: entered allmulticast mode
[ 2156.660449][T29733] dummy0: entered promiscuous mode
[ 2156.698121][T29734] br0: port 1(dummy0) entered blocking state
[ 2156.699076][T29734] br0: port 1(dummy0) entered forwarding state
[ 2159.727482][   T71] dummy0: left allmulticast mode
[ 2159.728869][   T71] dummy0: left promiscuous mode
[ 2159.729250][   T71] br0: port 1(dummy0) entered disabled state