[ 2024.976995][T15666] br0: port 1(dummy0) entered blocking state
[ 2024.977189][T15666] br0: port 1(dummy0) entered disabled state
[ 2024.977352][T15666] dummy0: entered allmulticast mode
[ 2024.978830][T15666] dummy0: entered promiscuous mode
[ 2025.002255][T15667] br0: port 1(dummy0) entered blocking state
[ 2025.002560][T15667] br0: port 1(dummy0) entered forwarding state
[ 2026.924335][   T69] dummy0: left allmulticast mode
[ 2026.925318][   T69] dummy0: left promiscuous mode
[ 2026.925552][   T69] br0: port 1(dummy0) entered disabled state