[  786.050461][T20850] veth0: entered allmulticast mode
[  786.050928][T20850] veth1: entered allmulticast mode
[  786.051242][T20850] veth2: entered allmulticast mode
[  786.051598][T20850] veth3: entered allmulticast mode
[  797.423335][T20850] veth0: left allmulticast mode
[  797.424509][T20850] veth1: left allmulticast mode
[  797.424712][T20850] veth2: left allmulticast mode
[  797.424884][T20850] veth3: left allmulticast mode