[ 1515.722398][ T4446] veth0: entered allmulticast mode
[ 1515.722986][ T4446] veth1: entered allmulticast mode
[ 1515.723307][ T4446] veth2: entered allmulticast mode
[ 1515.723625][ T4446] veth3: entered allmulticast mode
[ 1542.015417][ T4446] veth0: left allmulticast mode
[ 1542.015710][ T4446] veth1: left allmulticast mode
[ 1542.015959][ T4446] veth2: left allmulticast mode
[ 1542.016182][ T4446] veth3: left allmulticast mode