[  667.721413][T22941] veth0: entered allmulticast mode
[  667.721780][T22941] veth1: entered allmulticast mode
[  667.722009][T22941] veth2: entered allmulticast mode
[  667.722229][T22941] veth3: entered allmulticast mode
[  678.614882][T22941] veth0: left allmulticast mode
[  678.615168][T22941] veth1: left allmulticast mode
[  678.615402][T22941] veth2: left allmulticast mode
[  678.615670][T22941] veth3: left allmulticast mode