[ 2050.608668][T12395] br0: port 1(dummy0) entered blocking state
[ 2050.608856][T12395] br0: port 1(dummy0) entered disabled state
[ 2050.609022][T12395] dummy0: entered allmulticast mode
[ 2050.610475][T12395] dummy0: entered promiscuous mode
[ 2050.641630][T12396] br0: port 1(dummy0) entered blocking state
[ 2050.641905][T12396] br0: port 1(dummy0) entered forwarding state
[ 2052.590391][   T68] dummy0: left allmulticast mode
[ 2052.591420][   T68] dummy0: left promiscuous mode
[ 2052.591676][   T68] br0: port 1(dummy0) entered disabled state