[ 2061.312550][T23523] br0: port 1(dummy0) entered blocking state
[ 2061.312749][T23523] br0: port 1(dummy0) entered disabled state
[ 2061.312905][T23523] dummy0: entered allmulticast mode
[ 2061.313779][T23523] dummy0: entered promiscuous mode
[ 2061.347992][T23524] br0: port 1(dummy0) entered blocking state
[ 2061.348170][T23524] br0: port 1(dummy0) entered forwarding state
[ 2063.350985][   T12] dummy0: left allmulticast mode
[ 2063.351184][   T12] dummy0: left promiscuous mode
[ 2063.351428][   T12] br0: port 1(dummy0) entered disabled state