[ 1737.560214][T26894] br0: port 1(dummy0) entered blocking state
[ 1737.560329][T26894] br0: port 1(dummy0) entered disabled state
[ 1737.560428][T26894] dummy0: entered allmulticast mode
[ 1737.560906][T26894] dummy0: entered promiscuous mode
[ 1737.578083][T26895] br0: port 1(dummy0) entered blocking state
[ 1737.578222][T26895] br0: port 1(dummy0) entered forwarding state
[ 1738.711226][   T12] dummy0: left allmulticast mode
[ 1738.711336][   T12] dummy0: left promiscuous mode
[ 1738.711480][   T12] br0: port 1(dummy0) entered disabled state