From: Pierre Riteau <pierre.rit...@irisa.fr> vnet_hdr is initialized at 1 by default. We need to reset it to 0 if the kernel doesn't support IFF_VNET_HDR.
Signed-off-by: Pierre Riteau <pierre.rit...@irisa.fr> Signed-off-by: Mark McLoughlin <mar...@redhat.com> --- net/tap-linux.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/net/tap-linux.c b/net/tap-linux.c index 0f621a2..e4f7e27 100644 --- a/net/tap-linux.c +++ b/net/tap-linux.c @@ -52,6 +52,8 @@ int tap_open(char *ifname, int ifname_size, int *vnet_hdr, int vnet_hdr_required features & IFF_VNET_HDR) { *vnet_hdr = 1; ifr.ifr_flags |= IFF_VNET_HDR; + } else { + *vnet_hdr = 0; } if (vnet_hdr_required && !*vnet_hdr) { -- 1.6.5.2