[ 2393.167670][T18012] br0: port 1(dummy0) entered blocking state
[ 2393.167977][T18012] br0: port 1(dummy0) entered disabled state
[ 2393.168262][T18012] dummy0: entered allmulticast mode
[ 2393.169275][T18012] dummy0: entered promiscuous mode
[ 2393.201495][T18013] br0: port 1(dummy0) entered blocking state
[ 2393.202224][T18013] br0: port 1(dummy0) entered forwarding state
[ 2395.700196][   T69] dummy0: left allmulticast mode
[ 2395.701039][   T69] dummy0: left promiscuous mode
[ 2395.701747][   T69] br0: port 1(dummy0) entered disabled state