1 files changed, 5 insertions, 0 deletions
diff --git a/net/tap-linux.c b/net/tap-linux.c
index e4f7e2723b..6af9e824d3 100644
--- a/net/tap-linux.c
+++ b/net/tap-linux.c
@@ -131,6 +131,11 @@ void tap_fd_set_offload(int fd, int csum, int tso4,
 {
     unsigned int offload = 0;
 
+    /* Check if our kernel supports TUNSETOFFLOAD */
+    if (ioctl(fd, TUNSETOFFLOAD, 0) != 0 && errno == EINVAL) {
+        return;
+    }
+
     if (csum) {
         offload |= TUN_F_CSUM;
         if (tso4)