[dpdk-dev] [PATCH v4] app/testpmd: support flow aging

[Matan Azrad]

From: Bill Zhou:
> Currently, there is no way to check the aging event or to get the current aged
> flows in testpmd, this patch include those implements, it's included:
> 
> - Add new item "flow_aged" to the current print event command arguments.
> - Add new command to list all aged flows, meanwhile, we can set parameter
>   to destroy it.
> 
> Signed-off-by: Bill Zhou <dongz at mellanox.com>
Acked-by: Matan Azrad <matan at mellanox.com>