[ 2310.396564][T25926] br0: port 1(dummy0) entered blocking state
[ 2310.396755][T25926] br0: port 1(dummy0) entered disabled state
[ 2310.396926][T25926] dummy0: entered allmulticast mode
[ 2310.397818][T25926] dummy0: entered promiscuous mode
[ 2310.430176][T25927] br0: port 1(dummy0) entered blocking state
[ 2310.430753][T25927] br0: port 1(dummy0) entered forwarding state
[ 2312.728770][   T12] dummy0: left allmulticast mode
[ 2312.729643][   T12] dummy0: left promiscuous mode
[ 2312.729885][   T12] br0: port 1(dummy0) entered disabled state