Merge remote-tracking branch 'remotes/vivier2/tags/linux-user-for-3.0-pull-request...

Merge remote-tracking branch 'remotes/vivier2/tags/linux-user-for-3.0-pull-request' into staging

Some strace cleanups
Minor fixes for setsockopt() and netlink
Manage 'F' flag with qemu-binfmt-conf.sh

# gpg: Signature made Tue 03 Jul 2018 17:34:20 BST
# gpg:                using RSA key F30C38BD3F2FBE3C
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>"
# gpg:                 aka "Laurent Vivier <laurent@vivier.eu>"
# gpg:                 aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>"
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F  5173 F30C 38BD 3F2F BE3C

* remotes/vivier2/tags/linux-user-for-3.0-pull-request:
  linux-user/strace: Improve recvmsg() output
  linux-user/strace: Improve capget()/capset() output
  linux-user: update do_setsockopt()
  linux-user: add netlink CARRIER_UP_COUNT/CARRIER_DOWN_COUNT
  qemu-binfmt-conf.sh: allow to provide a suffix to the interpreter name
  qemu-binfmt-conf.sh: add persistent (F) flags
  qemu-binfmt-conf.sh: cleanup --credential

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>