[ 2098.207333][T25099] br0: port 1(dummy0) entered blocking state
[ 2098.207566][T25099] br0: port 1(dummy0) entered disabled state
[ 2098.207777][T25099] dummy0: entered allmulticast mode
[ 2098.209369][T25099] dummy0: entered promiscuous mode
[ 2098.237376][T25100] br0: port 1(dummy0) entered blocking state
[ 2098.238079][T25100] br0: port 1(dummy0) entered forwarding state
[ 2100.210267][   T12] dummy0: left allmulticast mode
[ 2100.210443][   T12] dummy0: left promiscuous mode
[ 2100.210669][   T12] br0: port 1(dummy0) entered disabled state