Public bug reported: and is missed! modinfo says no module found.
It had been included in 3.17-rc4 see $ uname -a Linux desk 3.17.0-031700rc4-generic #201409071935 SMP Sun Sep 7 23:36:45 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux $ modinfo iptable_nat filename: /lib/modules/3.17.0-031700rc4-generic/kernel/net/ipv4/netfilter/iptable_nat.ko license: GPL srcversion: C5B35AE09755B63BE10C250 depends: nf_nat,nf_nat_ipv4,nf_conntrack,ip_tables intree: Y vermagic: 3.17.0-031700rc4-generic SMP mod_unload modversions signer: Magrathea: Glacier signing key sig_key: E2:E2:2F:8B:EB:F5:35:D6:6E:0B:91:59:31:CC:FE:68:02:7C:66:07 sig_hashalgo: sha512 $ cat /etc/lsb-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=14.04 DISTRIB_CODENAME=trusty DISTRIB_DESCRIPTION="Ubuntu 14.04.1 LTS" ** Affects: linux (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1369486 Title: module iptable_nat is not built into 3.17-rc5 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1369486/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs