[ 2182.342141][  T798] br0: port 1(dummy0) entered blocking state
[ 2182.342455][  T798] br0: port 1(dummy0) entered disabled state
[ 2182.342735][  T798] dummy0: entered allmulticast mode
[ 2182.348488][  T798] dummy0: entered promiscuous mode
[ 2182.376429][  T799] br0: port 1(dummy0) entered blocking state
[ 2182.377497][  T799] br0: port 1(dummy0) entered forwarding state
[ 2184.901881][   T12] dummy0: left allmulticast mode
[ 2184.902378][   T12] dummy0: left promiscuous mode
[ 2184.902718][   T12] br0: port 1(dummy0) entered disabled state