[ 2076.935742][T30909] br0: port 1(dummy0) entered blocking state
[ 2076.935916][T30909] br0: port 1(dummy0) entered disabled state
[ 2076.936062][T30909] dummy0: entered allmulticast mode
[ 2076.936938][T30909] dummy0: entered promiscuous mode
[ 2076.965364][T30910] br0: port 1(dummy0) entered blocking state
[ 2076.965523][T30910] br0: port 1(dummy0) entered forwarding state
[ 2078.951396][   T12] dummy0: left allmulticast mode
[ 2078.952278][   T12] dummy0: left promiscuous mode
[ 2078.952506][   T12] br0: port 1(dummy0) entered disabled state