[ 2162.408517][T28624] br0: port 1(dummy0) entered blocking state
[ 2162.408741][T28624] br0: port 1(dummy0) entered disabled state
[ 2162.408951][T28624] dummy0: entered allmulticast mode
[ 2162.410417][T28624] dummy0: entered promiscuous mode
[ 2162.446029][T28625] br0: port 1(dummy0) entered blocking state
[ 2162.446276][T28625] br0: port 1(dummy0) entered forwarding state
[ 2164.422299][   T12] dummy0: left allmulticast mode
[ 2164.423436][   T12] dummy0: left promiscuous mode
[ 2164.423725][   T12] br0: port 1(dummy0) entered disabled state