[ 1640.296441][ T8422] veth0: entered allmulticast mode
[ 1640.296936][ T8422] veth1: entered allmulticast mode
[ 1640.297241][ T8422] veth2: entered allmulticast mode
[ 1640.297579][ T8422] veth3: entered allmulticast mode
[ 1666.475713][ T8422] veth0: left allmulticast mode
[ 1666.475997][ T8422] veth1: left allmulticast mode
[ 1666.476229][ T8422] veth2: left allmulticast mode
[ 1666.476476][ T8422] veth3: left allmulticast mode