[ 2111.545454][T26720] br0: port 1(dummy0) entered blocking state
[ 2111.546025][T26720] br0: port 1(dummy0) entered disabled state
[ 2111.546189][T26720] dummy0: entered allmulticast mode
[ 2111.547133][T26720] dummy0: entered promiscuous mode
[ 2111.576771][T26721] br0: port 1(dummy0) entered blocking state
[ 2111.577015][T26721] br0: port 1(dummy0) entered forwarding state
[ 2113.568457][   T12] dummy0: left allmulticast mode
[ 2113.569545][   T12] dummy0: left promiscuous mode
[ 2113.569767][   T12] br0: port 1(dummy0) entered disabled state