Bug#858404: openssh-client: bit rate transferring is not respected at the beggining of the transferring

Package: openssh-client
Version: 1:6.7p1-5+deb8u3
Severity: normal

Dear Maintainer,

Upong recording the date rate when a file is transferring, it has been
obeserved that the limit given of say 200 Kbps is not respected at the
begging of the transfer.
that the bit rate specified in the command is not respected.

The rate overshoots up to 10 times more than the rate specified. As an exam-
ple we have specified the rate of 200 Kpbs but saw peaks of 2.3 Mpbs.
This has been reproduced with various file sizes. The transfer seems to also
halt for few seconds when a peak happens and then resumes. Approximately 20s
after the transferring the rate is smooth.

An older version of the openssh-client was intalled and the behavior above was
not observed, therefore this leads to the conclusion that there is a bug on the
1.6 version.

-- System Information:
Debian Release: 8.7
APT prefers stable-updates
APT policy: (500, 'stable-updates'), (500, 'stable')
Architecture: i386 (i686)

Kernel: Linux 3.16.0-4-586
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages openssh-client depends on:
ii adduser 3.113+nmu3
ii dpkg 1.17.27
ii libc6 2.19-18+deb8u7
ii libedit2 3.1-20140620-2
ii libgssapi-krb5-2 1.12.1+dfsg-19+deb8u2
ii libselinux1 2.3-2
ii libssl1.0.0 1.0.1t-1+deb8u6
ii passwd 1:4.2-3+deb8u3
ii zlib1g 1:1.2.8.dfsg-2+b1

Versions of packages openssh-client recommends:
ii xauth 1:1.0.9-1

Versions of packages openssh-client suggests:
pn keychain <none>
pn libpam-ssh <none>
pn monkeysphere <none>
pn ssh-askpass <none>

-- no debconf information