[ 2373.877405][T32659] br0: port 1(dummy0) entered blocking state
[ 2373.877727][T32659] br0: port 1(dummy0) entered disabled state
[ 2373.878024][T32659] dummy0: entered allmulticast mode
[ 2373.879021][T32659] dummy0: entered promiscuous mode
[ 2373.911174][T32660] br0: port 1(dummy0) entered blocking state
[ 2373.911492][T32660] br0: port 1(dummy0) entered forwarding state
[ 2376.447405][   T69] dummy0: left allmulticast mode
[ 2376.448548][   T69] dummy0: left promiscuous mode
[ 2376.448928][   T69] br0: port 1(dummy0) entered disabled state