[ 2374.028198][T24422] br0: port 1(dummy0) entered blocking state
[ 2374.028499][T24422] br0: port 1(dummy0) entered disabled state
[ 2374.035140][T24422] dummy0: entered allmulticast mode
[ 2374.036807][T24422] dummy0: entered promiscuous mode
[ 2374.069607][T24423] br0: port 1(dummy0) entered blocking state
[ 2374.070484][T24423] br0: port 1(dummy0) entered forwarding state
[ 2376.544478][   T12] dummy0: left allmulticast mode
[ 2376.545335][   T12] dummy0: left promiscuous mode
[ 2376.545893][   T12] br0: port 1(dummy0) entered disabled state