Bug #1673: Add support for 64-bit net_tx/net_rx counters. Contributed by Simon Boulet.
(cherry picked from commit 5d54095119d0ec652edbf71e0ba3967c62734f4b)
bug #1777: case for unknown EC2 SignatureVersion

Patch provided by Piotr Sawicki <p.sawicki@task.gda.pl>
Merge remote-tracking branch 'upstream/one-3.8' into one-3.8