[ 2023.920835][  T338] br0: port 1(dummy0) entered blocking state
[ 2023.921043][  T338] br0: port 1(dummy0) entered disabled state
[ 2023.921208][  T338] dummy0: entered allmulticast mode
[ 2023.922095][  T338] dummy0: entered promiscuous mode
[ 2023.945537][  T339] br0: port 1(dummy0) entered blocking state
[ 2023.945726][  T339] br0: port 1(dummy0) entered forwarding state
[ 2026.199695][   T68] dummy0: left allmulticast mode
[ 2026.199901][   T68] dummy0: left promiscuous mode
[ 2026.200418][   T68] br0: port 1(dummy0) entered disabled state