[ 2070.686038][T27423] br0: port 1(dummy0) entered blocking state
[ 2070.686264][T27423] br0: port 1(dummy0) entered disabled state
[ 2070.686480][T27423] dummy0: entered allmulticast mode
[ 2070.687547][T27423] dummy0: entered promiscuous mode
[ 2070.716800][T27424] br0: port 1(dummy0) entered blocking state
[ 2070.717051][T27424] br0: port 1(dummy0) entered forwarding state
[ 2072.977281][   T12] dummy0: left allmulticast mode
[ 2072.978291][   T12] dummy0: left promiscuous mode
[ 2072.978603][   T12] br0: port 1(dummy0) entered disabled state