Merge remote-tracking branch 'remotes/jasowang/tags/net-pull-request' into staging

# gpg: Signature made Thu 12 Nov 2015 08:01:55 GMT using RSA key ID 398D6211
# gpg: Good signature from "Jason Wang (Jason Wang on RedHat) <jasowang@redhat.com>"
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg:          It is not certain that the signature belongs to the owner.
# Primary key fingerprint: 215D 46F4 8246 689E C77F  3562 EF04 965B 398D 6211

* remotes/jasowang/tags/net-pull-request:
  net: netmap: use error_setg() helpers in place of error_report()
  net: netmap: Fix compilation issue
  e1000: Introducing backward compatibility command line parameter
  e1000: Implementing various counters
  e1000: Fixing the packet address filtering procedure
  e1000: Fixing the received/transmitted octets' counters
  e1000: Fixing the received/transmitted packets' counters
  e1000: Trivial implementation of various MAC registers
  e1000: Introduced an array to control the access to the MAC registers
  e1000: Add support for migrating the entire MAC registers' array
  e1000: Cosmetic and alignment fixes
  slirp: Fix type casts and format strings in debug code

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