[ 2146.089934][T26623] br0: port 1(dummy0) entered blocking state
[ 2146.090130][T26623] br0: port 1(dummy0) entered disabled state
[ 2146.090303][T26623] dummy0: entered allmulticast mode
[ 2146.091330][T26623] dummy0: entered promiscuous mode
[ 2146.118448][T26624] br0: port 1(dummy0) entered blocking state
[ 2146.118751][T26624] br0: port 1(dummy0) entered forwarding state
[ 2148.149553][   T12] dummy0: left allmulticast mode
[ 2148.149845][   T12] dummy0: left promiscuous mode
[ 2148.150383][   T12] br0: port 1(dummy0) entered disabled state