[  752.709303][ T4521] br1: port 1(veth1) entered blocking state
[  752.709627][ T4521] br1: port 1(veth1) entered disabled state
[  752.709893][ T4521] veth1: entered allmulticast mode
[  752.711767][ T4521] veth1: entered promiscuous mode
[  752.839899][   T42] br1: port 1(veth1) entered blocking state
[  752.840144][   T42] br1: port 1(veth1) entered forwarding state
[  752.953827][ T4523] br1: port 2(veth2) entered blocking state
[  752.954082][ T4523] br1: port 2(veth2) entered disabled state
[  752.955583][ T4523] veth2: entered allmulticast mode
[  752.957457][ T4523] veth2: entered promiscuous mode
[  753.078776][   T42] br1: port 2(veth2) entered blocking state
[  753.079025][   T42] br1: port 2(veth2) entered forwarding state
[  875.893532][ T5756] br1: port 2(veth2) entered disabled state
[  876.047837][ T5758] veth2: left allmulticast mode
[  876.048064][ T5758] veth2: left promiscuous mode
[  876.048483][ T5758] br1: port 2(veth2) entered disabled state
[  876.170062][ T5759] br1: port 1(veth1) entered disabled state
[  876.287328][ T5760] veth1: left allmulticast mode
[  876.287571][ T5760] veth1: left promiscuous mode
[  876.287911][ T5760] br1: port 1(veth1) entered disabled state