- update to 3.10.1:
* Fixed a problem with autoconf scripts that made builds fail in
some environments (#1154 / #1155).
* GNU autoconf 2.71 or newer is now required to regenerate iperf3's
configure scripts.

- update to 3.10:
* Fix a bug where some --reverse tests didn't terminate (#982 /
#1054).
* Responsiveness of control connections is slightly improved (#1045
/ #1046 / #1063).
* The allowable clock skew when doing authentication between client
and server is now configurable with the new --time-skew-threshold
(#1065 / #1070).
* Bitrate throttling using the -b option now works when a burst size
is specified (#1090).
* A bug with calculating CPU utilization has been fixed (#1076 /
#1077).
* A --bind-dev option to support binding sockets to a given network
interface has been added to make iperf3 work better with
multi-homed machines and/or VRFs (#817 / #1089 / #1097).
* --pidfile now works with --client mode (#1110).
* The server is now less likely to get stuck due to network errors
(#1101, #1125), controlled by the new --rcv-timeout option.
* Fixed a few bugs in termination conditions for byte or
block-limited tests (#1113, #1114, #1115).
* Added tcp_info.snd_wnd to JSON output (#1148).
* Some bugs with garbled JSON output have been fixed (#1086, #1118,
#1143 / #1146).
* Support for setting the IPv4 don't-fragment (DF) bit has been