[LTP] [PATCH 1/2] lib/tst_net.sh: add getopts to tst_ping()

[Petr Vorel]

Hi Alexey,

> * Replace '-i 0' with '-f'

> * Add similar checks for the flood and interval options as
>   in ping02 test

Reviewed-by: Petr Vorel <pvorel@suse.cz>

Did a brief testing for both iputils ping and busybox ping.

Kind regards,
Petr