[ 2383.048352][T22491] br0: port 1(dummy0) entered blocking state
[ 2383.048706][T22491] br0: port 1(dummy0) entered disabled state
[ 2383.054349][T22491] dummy0: entered allmulticast mode
[ 2383.055413][T22491] dummy0: entered promiscuous mode
[ 2383.081219][T22492] br0: port 1(dummy0) entered blocking state
[ 2383.081521][T22492] br0: port 1(dummy0) entered forwarding state
[ 2385.528107][   T70] dummy0: left allmulticast mode
[ 2385.529152][   T70] dummy0: left promiscuous mode
[ 2385.529558][   T70] br0: port 1(dummy0) entered disabled state