[ 2154.151007][T22693] br0: port 1(dummy0) entered blocking state
[ 2154.151231][T22693] br0: port 1(dummy0) entered disabled state
[ 2154.151448][T22693] dummy0: entered allmulticast mode
[ 2154.152861][T22693] dummy0: entered promiscuous mode
[ 2154.174928][T22694] br0: port 1(dummy0) entered blocking state
[ 2154.175202][T22694] br0: port 1(dummy0) entered forwarding state
[ 2156.143407][   T12] dummy0: left allmulticast mode
[ 2156.144097][   T12] dummy0: left promiscuous mode
[ 2156.144368][   T12] br0: port 1(dummy0) entered disabled state