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    SubjectRe: [PATCH RFC/RFT net-next 00/17] net: Convert neighbor tables to per-namespace
    On Thu, Jul 19, 2018 at 9:16 AM David Ahern <dsahern@gmail.com> wrote:
    >
    > Chatting with Nikolay about this and he brought up a good corollary - ip
    > fragmentation. It really is a similar problem in that memory is consumed
    > as a result of packets received from an external entity. The ipfrag
    > sysctls are per namespace with a limit that non-init_net namespaces can
    > not set high_thresh > the current value of init_net. Potential memory
    > consumed by fragments scales with the number of namespaces which is the
    > primary concern with making neighbor tables per namespace.

    Nothing new, already discussed:
    https://marc.info/?l=linux-netdev&m=140391416215988&w=2

    :)

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