Type: improvement ip4_rewrite_inline_with_gso() did vlib_prefetch_buffer_header() for all nodes. However it is not necessary for ip-rewrite, it is only needed by ip-midchain. This patch makes ip4-rewrite prefetches less buffers to save cycles. Signed-off-by: PiotrX Kleski <piotrx.kleski@intel.com> Change-Id: Ib82dcb0eda4a2d1d7b8d664f2224d49b72aef50f