[  752.842685][ T4520] br1: port 1(veth1) entered blocking state
[  752.842975][ T4520] br1: port 1(veth1) entered disabled state
[  752.843244][ T4520] veth1: entered allmulticast mode
[  752.845142][ T4520] veth1: entered promiscuous mode
[  752.958441][    T7] br1: port 1(veth1) entered blocking state
[  752.958714][    T7] br1: port 1(veth1) entered forwarding state
[  753.072550][ T4522] br1: port 2(veth2) entered blocking state
[  753.072851][ T4522] br1: port 2(veth2) entered disabled state
[  753.073182][ T4522] veth2: entered allmulticast mode
[  753.075217][ T4522] veth2: entered promiscuous mode
[  753.209739][ T2367] br1: port 2(veth2) entered blocking state
[  753.210016][ T2367] br1: port 2(veth2) entered forwarding state
[  875.329310][ T5756] br1: port 2(veth2) entered disabled state
[  875.467940][ T5757] veth2: left allmulticast mode
[  875.468169][ T5757] veth2: left promiscuous mode
[  875.468479][ T5757] br1: port 2(veth2) entered disabled state
[  875.594415][ T5758] br1: port 1(veth1) entered disabled state
[  875.723668][ T5760] veth1: left allmulticast mode
[  875.723975][ T5760] veth1: left promiscuous mode
[  875.724283][ T5760] br1: port 1(veth1) entered disabled state