[ 1661.255345][ T9937] veth0: entered allmulticast mode
[ 1661.255986][ T9937] veth1: entered allmulticast mode
[ 1661.256305][ T9937] veth2: entered allmulticast mode
[ 1661.256621][ T9937] veth3: entered allmulticast mode
[ 1688.341175][ T9937] veth0: left allmulticast mode
[ 1688.341510][ T9937] veth1: left allmulticast mode
[ 1688.341752][ T9937] veth2: left allmulticast mode
[ 1688.341987][ T9937] veth3: left allmulticast mode