[ 2100.655901][T11493] br0: port 1(dummy0) entered blocking state
[ 2100.656117][T11493] br0: port 1(dummy0) entered disabled state
[ 2100.656296][T11493] dummy0: entered allmulticast mode
[ 2100.657187][T11493] dummy0: entered promiscuous mode
[ 2100.689797][T11494] br0: port 1(dummy0) entered blocking state
[ 2100.690374][T11494] br0: port 1(dummy0) entered forwarding state
[ 2102.770884][   T12] dummy0: left allmulticast mode
[ 2102.771154][   T12] dummy0: left promiscuous mode
[ 2102.771377][   T12] br0: port 1(dummy0) entered disabled state