On Thu, Jul 02, 2020 at 04:51 PM CEST, kernel test robot wrote: [...] > All errors (new ones prefixed by >>, old ones prefixed by <<): > >>> ERROR: modpost: "bpf_sk_lookup_enabled" [net/ipv6/ipv6.ko] undefined! > We're missing an EXPORT_SYMBOL for CONFIG_IPV6=m build. Will fix in v4.