[ 2074.604752][T29598] br0: port 1(dummy0) entered blocking state
[ 2074.604946][T29598] br0: port 1(dummy0) entered disabled state
[ 2074.605122][T29598] dummy0: entered allmulticast mode
[ 2074.606647][T29598] dummy0: entered promiscuous mode
[ 2074.634375][T29599] br0: port 1(dummy0) entered blocking state
[ 2074.634758][T29599] br0: port 1(dummy0) entered forwarding state
[ 2076.570259][   T12] dummy0: left allmulticast mode
[ 2076.570424][   T12] dummy0: left promiscuous mode
[ 2076.570679][   T12] br0: port 1(dummy0) entered disabled state