[ 2385.269438][T30467] br0: port 1(dummy0) entered blocking state
[ 2385.269747][T30467] br0: port 1(dummy0) entered disabled state
[ 2385.270024][T30467] dummy0: entered allmulticast mode
[ 2385.271027][T30467] dummy0: entered promiscuous mode
[ 2385.304356][T30468] br0: port 1(dummy0) entered blocking state
[ 2385.304692][T30468] br0: port 1(dummy0) entered forwarding state
[ 2387.619691][   T71] dummy0: left allmulticast mode
[ 2387.620814][   T71] dummy0: left promiscuous mode
[ 2387.621354][   T71] br0: port 1(dummy0) entered disabled state