[ 2023.642451][T30635] br0: port 1(dummy0) entered blocking state
[ 2023.642687][T30635] br0: port 1(dummy0) entered disabled state
[ 2023.642908][T30635] dummy0: entered allmulticast mode
[ 2023.643863][T30635] dummy0: entered promiscuous mode
[ 2023.676967][T30636] br0: port 1(dummy0) entered blocking state
[ 2023.677142][T30636] br0: port 1(dummy0) entered forwarding state
[ 2025.549232][   T12] dummy0: left allmulticast mode
[ 2025.549477][   T12] dummy0: left promiscuous mode
[ 2025.549750][   T12] br0: port 1(dummy0) entered disabled state