[ 2003.414084][T21132] br0: port 1(dummy0) entered blocking state
[ 2003.414308][T21132] br0: port 1(dummy0) entered disabled state
[ 2003.421006][T21132] dummy0: entered allmulticast mode
[ 2003.421939][T21132] dummy0: entered promiscuous mode
[ 2003.450745][T21133] br0: port 1(dummy0) entered blocking state
[ 2003.451241][T21133] br0: port 1(dummy0) entered forwarding state
[ 2005.425926][   T70] dummy0: left allmulticast mode
[ 2005.426115][   T70] dummy0: left promiscuous mode
[ 2005.426329][   T70] br0: port 1(dummy0) entered disabled state