[ 2349.424794][T20512] veth0: entered allmulticast mode
[ 2349.425754][T20512] veth1: entered allmulticast mode
[ 2349.428686][T20512] veth2: entered allmulticast mode
[ 2349.429296][T20512] veth3: entered allmulticast mode
[ 2373.243787][T20512] veth0: left allmulticast mode
[ 2373.244579][T20512] veth1: left allmulticast mode
[ 2373.245292][T20512] veth2: left allmulticast mode
[ 2373.245951][T20512] veth3: left allmulticast mode