* openbsd/sys: sync with OpenBSD 2.7   limitation: if you configure gif interface, kernel does not compile.   this is because OpenBSD integrates gif into OpenBSD IPsec tunnel   code.  we will need to resolve it.   TODO: userland cleanup.
* openbsd/sys: sync with OpenBSD 2.7
  limitation: if you configure gif interface, kernel does not compile.
  this is because OpenBSD integrates gif into OpenBSD IPsec tunnel
  code.  we will need to resolve it.
  TODO: userland cleanup.

MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame