[ 1522.781569][ T7500] veth0: entered allmulticast mode
[ 1522.782383][ T7500] veth1: entered allmulticast mode
[ 1522.782933][ T7500] veth2: entered allmulticast mode
[ 1522.785919][ T7500] veth3: entered allmulticast mode
[ 1546.456399][ T7500] veth0: left allmulticast mode
[ 1546.456912][ T7500] veth1: left allmulticast mode
[ 1546.457355][ T7500] veth2: left allmulticast mode
[ 1546.457774][ T7500] veth3: left allmulticast mode