[ 2106.846699][ T6176] br0: port 1(dummy0) entered blocking state
[ 2106.846911][ T6176] br0: port 1(dummy0) entered disabled state
[ 2106.847075][ T6176] dummy0: entered allmulticast mode
[ 2106.848034][ T6176] dummy0: entered promiscuous mode
[ 2106.877557][ T6177] br0: port 1(dummy0) entered blocking state
[ 2106.878178][ T6177] br0: port 1(dummy0) entered forwarding state
[ 2108.805421][   T12] dummy0: left allmulticast mode
[ 2108.806344][   T12] dummy0: left promiscuous mode
[ 2108.806581][   T12] br0: port 1(dummy0) entered disabled state