[ 2100.485879][T25591] br0: port 1(dummy0) entered blocking state
[ 2100.487337][T25591] br0: port 1(dummy0) entered disabled state
[ 2100.487502][T25591] dummy0: entered allmulticast mode
[ 2100.488428][T25591] dummy0: entered promiscuous mode
[ 2100.522370][T25592] br0: port 1(dummy0) entered blocking state
[ 2100.522602][T25592] br0: port 1(dummy0) entered forwarding state
[ 2102.410970][   T12] dummy0: left allmulticast mode
[ 2102.414342][   T12] dummy0: left promiscuous mode
[ 2102.414566][   T12] br0: port 1(dummy0) entered disabled state