[ 2381.996004][T17653] br0: port 1(dummy0) entered blocking state
[ 2381.996193][T17653] br0: port 1(dummy0) entered disabled state
[ 2381.996382][T17653] dummy0: entered allmulticast mode
[ 2381.997267][T17653] dummy0: entered promiscuous mode
[ 2382.032635][T17654] br0: port 1(dummy0) entered blocking state
[ 2382.032844][T17654] br0: port 1(dummy0) entered forwarding state
[ 2384.471770][   T70] dummy0: left allmulticast mode
[ 2384.471962][   T70] dummy0: left promiscuous mode
[ 2384.472191][   T70] br0: port 1(dummy0) entered disabled state