Merge tag 'ipvs-for-v4.10' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/ipvs-next

Simon Horman says:

====================
IPVS Updates for v4.10

please consider these enhancements to the IPVS for v4.10.

* Decrement the IP ttl in all the modes in order to prevent infinite
  route loops. Thanks to Dwip Banerjee.
* Use IS_ERR_OR_NULL macro. Clean-up from Gao Feng.
====================

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>