geneve: fix variable initial value
It is not good enough to initialize sw_if_index0 = 0,
sw_if_index1 = 0, as it maybe causes the first two
incoming packets to miss necessary computation.
@@ -81,7 +81,7 @@ geneve_encap_inline (vlib_main_t * vm,
u16 old_l0 = 0, old_l1 = 0;
u32 thread_index = vm->thread_index;
u32 stats_sw_if_index, stats_n_packets, stats_n_bytes;
- u32 sw_if_index0 = 0, sw_if_index1 = 0;
+ u32 sw_if_index0 = ~0, sw_if_index1 = ~0;
u32 next0 = 0, next1 = 0;
vnet_hw_interface_t *hi0, *hi1;
geneve_tunnel_t *t0 = NULL, *t1 = NULL;
