[ 2209.289545][T28183] br0: port 1(dummy0) entered blocking state
[ 2209.290103][T28183] br0: port 1(dummy0) entered disabled state
[ 2209.290372][T28183] dummy0: entered allmulticast mode
[ 2209.291438][T28183] dummy0: entered promiscuous mode
[ 2209.331322][T28184] br0: port 1(dummy0) entered blocking state
[ 2209.331676][T28184] br0: port 1(dummy0) entered forwarding state
[ 2211.671001][   T12] dummy0: left allmulticast mode
[ 2211.672101][   T12] dummy0: left promiscuous mode
[ 2211.672429][   T12] br0: port 1(dummy0) entered disabled state