[ 2882.351355][T21621] veth0: entered allmulticast mode
[ 2882.351706][T21621] veth1: entered allmulticast mode
[ 2882.352298][T21621] veth2: entered allmulticast mode
[ 2882.352604][T21621] veth3: entered allmulticast mode
[ 2909.227395][T21621] veth0: left allmulticast mode
[ 2909.227892][T21621] veth1: left allmulticast mode
[ 2909.228234][T21621] veth2: left allmulticast mode
[ 2909.228573][T21621] veth3: left allmulticast mode