[ 2029.447613][  T724] br0: port 1(dummy0) entered blocking state
[ 2029.447813][  T724] br0: port 1(dummy0) entered disabled state
[ 2029.447976][  T724] dummy0: entered allmulticast mode
[ 2029.449454][  T724] dummy0: entered promiscuous mode
[ 2029.480760][  T725] br0: port 1(dummy0) entered blocking state
[ 2029.481018][  T725] br0: port 1(dummy0) entered forwarding state
[ 2031.439802][   T67] dummy0: left allmulticast mode
[ 2031.442511][   T67] dummy0: left promiscuous mode
[ 2031.442860][   T67] br0: port 1(dummy0) entered disabled state