[ 2073.886809][ T6965] br0: port 1(dummy0) entered blocking state
[ 2073.887131][ T6965] br0: port 1(dummy0) entered disabled state
[ 2073.887415][ T6965] dummy0: entered allmulticast mode
[ 2073.888495][ T6965] dummy0: entered promiscuous mode
[ 2073.921767][ T6966] br0: port 1(dummy0) entered blocking state
[ 2073.922345][ T6966] br0: port 1(dummy0) entered forwarding state
[ 2076.384764][   T70] dummy0: left allmulticast mode
[ 2076.385824][   T70] dummy0: left promiscuous mode
[ 2076.386245][   T70] br0: port 1(dummy0) entered disabled state