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Subject: Re: Very slow and inconsistent internal network speed (between, VM's
 on the same host) for FreeBSD 11.0+ as guest on, XCP-ng/XenServer
To: Christian M <christian.marcos@gmail.com>
References: <mailman.7.1560945600.15387.freebsd-xen@freebsd.org>
 <12994df1-f847-ec92-aae8-43a32e59385f@darco.dk>
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Cc: freebsd-xen@freebsd.org, freebsd-net@freebsd.org
From: Eugene Grosbein <eugen@grosbein.net>
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Date: Wed, 26 Jun 2019 17:50:13 +0700
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26.06.2019 17:44, Christian M wrote:

> Sorry to say, but no. Nothing changed :(
> 
> The iperf issue concerns me a bit also:

Try starting ntpd inside VM guests, wait an hour then post contents of /var/db/ntpd.drift
This is to verify quality of time source provided to VMs by hypervisor.