[  840.673127][T21618] br1: port 1(veth1) entered blocking state
[  840.673401][T21618] br1: port 1(veth1) entered disabled state
[  840.673648][T21618] veth1: entered allmulticast mode
[  840.675397][T21618] veth1: entered promiscuous mode
[  840.723102][T21621] br1: port 2(veth2) entered blocking state
[  840.723329][T21621] br1: port 2(veth2) entered disabled state
[  840.723551][T21621] veth2: entered allmulticast mode
[  840.725051][T21621] veth2: entered promiscuous mode
[  840.778302][T21623] br1: port 2(veth2) entered blocking state
[  840.778520][T21623] br1: port 2(veth2) entered forwarding state
[  840.778837][T21623] br1: port 1(veth1) entered blocking state
[  840.779005][T21623] br1: port 1(veth1) entered forwarding state
[  847.849223][T21770] tc (21770) used greatest stack depth: 23192 bytes left
[  850.374144][T21950] br1: port 2(veth2) entered disabled state
[  850.374657][T21950] br1: port 1(veth1) entered disabled state
[  850.428102][T21952] veth2: left allmulticast mode
[  850.428288][T21952] veth2: left promiscuous mode
[  850.428515][T21952] br1: port 2(veth2) entered disabled state
[  850.479313][T21954] veth1: left allmulticast mode
[  850.479864][T21954] veth1: left promiscuous mode
[  850.480094][T21954] br1: port 1(veth1) entered disabled state