[ 2523.813994][T25116] br0: port 1(dummy0) entered blocking state
[ 2523.814186][T25116] br0: port 1(dummy0) entered disabled state
[ 2523.814362][T25116] dummy0: entered allmulticast mode
[ 2523.815394][T25116] dummy0: entered promiscuous mode
[ 2523.845141][T25117] br0: port 1(dummy0) entered blocking state
[ 2523.845673][T25117] br0: port 1(dummy0) entered forwarding state
[ 2525.894586][   T12] dummy0: left allmulticast mode
[ 2525.895941][   T12] dummy0: left promiscuous mode
[ 2525.896182][   T12] br0: port 1(dummy0) entered disabled state