[  823.694764][T21841] veth0: entered allmulticast mode
[  823.695123][T21841] veth1: entered allmulticast mode
[  823.695379][T21841] veth2: entered allmulticast mode
[  823.695602][T21841] veth3: entered allmulticast mode
[  835.111153][T21841] veth0: left allmulticast mode
[  835.111630][T21841] veth1: left allmulticast mode
[  835.111977][T21841] veth2: left allmulticast mode
[  835.112356][T21841] veth3: left allmulticast mode