[  791.360806][T21882] veth0: entered allmulticast mode
[  791.361161][T21882] veth1: entered allmulticast mode
[  791.361381][T21882] veth2: entered allmulticast mode
[  791.361593][T21882] veth3: entered allmulticast mode
[  802.041062][T21882] veth0: left allmulticast mode
[  802.041327][T21882] veth1: left allmulticast mode
[  802.041507][T21882] veth2: left allmulticast mode
[  802.041693][T21882] veth3: left allmulticast mode