[ 2243.797106][T27246] br0: port 1(dummy0) entered blocking state
[ 2243.797313][T27246] br0: port 1(dummy0) entered disabled state
[ 2243.797487][T27246] dummy0: entered allmulticast mode
[ 2243.799061][T27246] dummy0: entered promiscuous mode
[ 2243.826149][T27247] br0: port 1(dummy0) entered blocking state
[ 2243.826343][T27247] br0: port 1(dummy0) entered forwarding state
[ 2245.760276][   T70] dummy0: left allmulticast mode
[ 2245.760453][   T70] dummy0: left promiscuous mode
[ 2245.760690][   T70] br0: port 1(dummy0) entered disabled state