[ 1339.647097][ T8520] veth0: entered allmulticast mode
[ 1339.649025][ T8520] veth1: entered allmulticast mode
[ 1339.651094][ T8520] veth2: entered allmulticast mode
[ 1339.652819][ T8520] veth3: entered allmulticast mode
[ 1362.890394][ T8520] veth0: left allmulticast mode
[ 1362.890875][ T8520] veth1: left allmulticast mode
[ 1362.891288][ T8520] veth2: left allmulticast mode
[ 1362.891697][ T8520] veth3: left allmulticast mode