[ 2029.427088][T22539] br0: port 1(dummy0) entered blocking state
[ 2029.427274][T22539] br0: port 1(dummy0) entered disabled state
[ 2029.427434][T22539] dummy0: entered allmulticast mode
[ 2029.428902][T22539] dummy0: entered promiscuous mode
[ 2029.460888][T22540] br0: port 1(dummy0) entered blocking state
[ 2029.461431][T22540] br0: port 1(dummy0) entered forwarding state
[ 2031.460143][   T71] dummy0: left allmulticast mode
[ 2031.460873][   T71] dummy0: left promiscuous mode
[ 2031.461845][   T71] br0: port 1(dummy0) entered disabled state