[ 2105.888963][T16716] br0: port 1(dummy0) entered blocking state
[ 2105.889196][T16716] br0: port 1(dummy0) entered disabled state
[ 2105.889804][T16716] dummy0: entered allmulticast mode
[ 2105.890901][T16716] dummy0: entered promiscuous mode
[ 2105.924275][T16717] br0: port 1(dummy0) entered blocking state
[ 2105.924869][T16717] br0: port 1(dummy0) entered forwarding state
[ 2108.315169][   T12] dummy0: left allmulticast mode
[ 2108.315961][   T12] dummy0: left promiscuous mode
[ 2108.316237][   T12] br0: port 1(dummy0) entered disabled state