[ 2442.054888][ T9362] br0: port 1(dummy0) entered blocking state
[ 2442.055205][ T9362] br0: port 1(dummy0) entered disabled state
[ 2442.055482][ T9362] dummy0: entered allmulticast mode
[ 2442.057238][ T9362] dummy0: entered promiscuous mode
[ 2442.090797][ T9363] br0: port 1(dummy0) entered blocking state
[ 2442.091439][ T9363] br0: port 1(dummy0) entered forwarding state
[ 2444.602730][   T12] dummy0: left allmulticast mode
[ 2444.603194][   T12] dummy0: left promiscuous mode
[ 2444.603561][   T12] br0: port 1(dummy0) entered disabled state