Hi all, After merging the netfilter-next tree, today's linux-next build (powerpc ppc64_defconfig) failed like this: ERROR: ".nf_conntrack_invert_icmpv6_tuple" [net/netfilter/nf_conntrack.ko] undefined! ERROR: ".nf_conntrack_icmpv6_packet" [net/netfilter/nf_conntrack.ko] undefined! ERROR: ".nf_conntrack_icmpv6_init_net" [net/netfilter/nf_conntrack.ko] undefined! ERROR: ".icmpv6_pkt_to_tuple" [net/netfilter/nf_conntrack.ko] undefined! ERROR: ".nf_ct_gre_keymap_destroy" [net/netfilter/nf_conntrack.ko] undefined! Caused by commit a47c54048162 ("netfilter: conntrack: handle builtin l4proto packet functions via direct calls") e2e48b471634 ("netfilter: conntrack: handle icmp pkt_to_tuple helper via direct calls") 197c4300aec0 ("netfilter: conntrack: remove invert_tuple callback") 2a389de86e4a ("netfilter: conntrack: remove l4proto init and get_net callbacks") e56894356f60 ("netfilter: conntrack: remove l4proto destroy hook") I have used the netfilter-next tree from next-20190118 for today. -- Cheers, Stephen Rothwell