[ 2145.809679][T29348] br0: port 1(dummy0) entered blocking state
[ 2145.809873][T29348] br0: port 1(dummy0) entered disabled state
[ 2145.810032][T29348] dummy0: entered allmulticast mode
[ 2145.811057][T29348] dummy0: entered promiscuous mode
[ 2145.836022][T29349] br0: port 1(dummy0) entered blocking state
[ 2145.836296][T29349] br0: port 1(dummy0) entered forwarding state
[ 2147.855713][   T12] dummy0: left allmulticast mode
[ 2147.855993][   T12] dummy0: left promiscuous mode
[ 2147.856577][   T12] br0: port 1(dummy0) entered disabled state