doc: update pcap guide
authorFerruh Yigit <ferruh.yigit@intel.com>
Wed, 17 Jan 2018 18:30:39 +0000 (18:30 +0000)
committerFerruh Yigit <ferruh.yigit@intel.com>
Sun, 21 Jan 2018 14:51:52 +0000 (15:51 +0100)
commit380818b3182b1d7dad5440f8e821852a84162ff0
treef43fd75e04a40115e4a997759f9b839da496c8e6
parentb26af7938860e4187279cb5ad49702aa8b17820f
doc: update pcap guide

Add note about PMD expects the network interfaces provided to be up,
documented behavior to set expectations right.

Also added minor fix.

Signed-off-by: Ferruh Yigit <ferruh.yigit@intel.com>
Acked-by: John McNamara <john.mcnamara@intel.com>
doc/guides/nics/pcap_ring.rst