[ 2023.914757][T20681] br0: port 1(dummy0) entered blocking state
[ 2023.914984][T20681] br0: port 1(dummy0) entered disabled state
[ 2023.915188][T20681] dummy0: entered allmulticast mode
[ 2023.916706][T20681] dummy0: entered promiscuous mode
[ 2023.939470][T20682] br0: port 1(dummy0) entered blocking state
[ 2023.939721][T20682] br0: port 1(dummy0) entered forwarding state
[ 2025.811347][   T68] dummy0: left allmulticast mode
[ 2025.812323][   T68] dummy0: left promiscuous mode
[ 2025.812618][   T68] br0: port 1(dummy0) entered disabled state