[ 1565.501010][ T4721] veth0: entered allmulticast mode
[ 1565.501858][ T4721] veth1: entered allmulticast mode
[ 1565.502257][ T4721] veth2: entered allmulticast mode
[ 1565.502557][ T4721] veth3: entered allmulticast mode
[ 1591.448279][ T4721] veth0: left allmulticast mode
[ 1591.448555][ T4721] veth1: left allmulticast mode
[ 1591.448802][ T4721] veth2: left allmulticast mode
[ 1591.449024][ T4721] veth3: left allmulticast mode