[ 1844.710869][  T813] br0: port 1(dummy0) entered blocking state
[ 1844.711121][  T813] br0: port 1(dummy0) entered disabled state
[ 1844.711342][  T813] dummy0: entered allmulticast mode
[ 1844.712276][  T813] dummy0: entered promiscuous mode
[ 1844.740951][  T814] br0: port 1(dummy0) entered blocking state
[ 1844.741472][  T814] br0: port 1(dummy0) entered forwarding state
[ 1846.630055][   T12] dummy0: left allmulticast mode
[ 1846.630312][   T12] dummy0: left promiscuous mode
[ 1846.630534][   T12] br0: port 1(dummy0) entered disabled state