--- zzzz-none-000/linux-4.9.276/net/ipv4/Makefile	2021-07-20 14:21:16.000000000 +0000
+++ falcon-5530-750/linux-4.9.276/net/ipv4/Makefile	2023-04-05 08:19:02.000000000 +0000
@@ -14,6 +14,7 @@
 	     fib_frontend.o fib_semantics.o fib_trie.o \
 	     inet_fragment.o ping.o ip_tunnel_core.o gre_offload.o
 
+obj-$(CONFIG_UDP_REDIRECT) += udp_redirect_symb.o
 obj-$(CONFIG_NET_IP_TUNNEL) += ip_tunnel.o
 obj-$(CONFIG_SYSCTL) += sysctl_net_ipv4.o
 obj-$(CONFIG_PROC_FS) += proc.o