t1->dst_addr.ip4.as_u32 = fib_prefix.fp_addr.ip4.as_u32;
key4_copy = clib_mem_alloc (sizeof (*key4_copy));
clib_memset(key4_copy, 0, sizeof(*key4_copy));
t1->dst_addr.ip4.as_u32 = fib_prefix.fp_addr.ip4.as_u32;
key4_copy = clib_mem_alloc (sizeof (*key4_copy));
clib_memset(key4_copy, 0, sizeof(*key4_copy));