[ 1985.421760][ T5064] br0: port 1(dummy0) entered blocking state
[ 1985.421949][ T5064] br0: port 1(dummy0) entered disabled state
[ 1985.422109][ T5064] dummy0: entered allmulticast mode
[ 1985.422961][ T5064] dummy0: entered promiscuous mode
[ 1985.453899][ T5065] br0: port 1(dummy0) entered blocking state
[ 1985.454072][ T5065] br0: port 1(dummy0) entered forwarding state
[ 1987.333151][   T12] dummy0: left allmulticast mode
[ 1987.334169][   T12] dummy0: left promiscuous mode
[ 1987.334407][   T12] br0: port 1(dummy0) entered disabled state