[ 2216.169783][T16539] br0: port 1(dummy0) entered blocking state
[ 2216.170088][T16539] br0: port 1(dummy0) entered disabled state
[ 2216.170366][T16539] dummy0: entered allmulticast mode
[ 2216.171373][T16539] dummy0: entered promiscuous mode
[ 2216.200264][T16540] br0: port 1(dummy0) entered blocking state
[ 2216.200585][T16540] br0: port 1(dummy0) entered forwarding state
[ 2218.674794][   T71] dummy0: left allmulticast mode
[ 2218.675839][   T71] dummy0: left promiscuous mode
[ 2218.676185][   T71] br0: port 1(dummy0) entered disabled state