[ 2259.480247][ T6267] br0: port 1(dummy0) entered blocking state
[ 2259.481006][ T6267] br0: port 1(dummy0) entered disabled state
[ 2259.481347][ T6267] dummy0: entered allmulticast mode
[ 2259.482630][ T6267] dummy0: entered promiscuous mode
[ 2259.515544][ T6268] br0: port 1(dummy0) entered blocking state
[ 2259.516186][ T6268] br0: port 1(dummy0) entered forwarding state
[ 2262.012650][   T70] dummy0: left allmulticast mode
[ 2262.013996][   T70] dummy0: left promiscuous mode
[ 2262.014423][   T70] br0: port 1(dummy0) entered disabled state