[ 1837.763148][T27411] br0: port 1(dummy0) entered blocking state
[ 1837.763380][T27411] br0: port 1(dummy0) entered disabled state
[ 1837.763587][T27411] dummy0: entered allmulticast mode
[ 1837.764630][T27411] dummy0: entered promiscuous mode
[ 1837.793320][T27412] br0: port 1(dummy0) entered blocking state
[ 1837.793571][T27412] br0: port 1(dummy0) entered forwarding state
[ 1839.756667][   T70] dummy0: left allmulticast mode
[ 1839.756954][   T70] dummy0: left promiscuous mode
[ 1839.757158][   T70] br0: port 1(dummy0) entered disabled state