[ 2084.443320][ T3260] br0: port 1(dummy0) entered blocking state
[ 2084.443496][ T3260] br0: port 1(dummy0) entered disabled state
[ 2084.443656][ T3260] dummy0: entered allmulticast mode
[ 2084.444618][ T3260] dummy0: entered promiscuous mode
[ 2084.476425][ T3261] br0: port 1(dummy0) entered blocking state
[ 2084.476710][ T3261] br0: port 1(dummy0) entered forwarding state
[ 2086.437591][   T68] dummy0: left allmulticast mode
[ 2086.439153][   T68] dummy0: left promiscuous mode
[ 2086.439387][   T68] br0: port 1(dummy0) entered disabled state