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Date:      Wed, 3 Feb 2016 00:50:17 +0000
From:      Dexuan Cui <decui@microsoft.com>
To:        Jac Backus <j.backus@bugworks.com>, "Sephe Qiao (Wicresoft)" <v-yanqia@microsoft.com>, Kylie Liang <kyliel@microsoft.com>, "'freebsd-virtualization@freebsd.org'" <freebsd-virtualization@freebsd.org>, BSD Integration Components for Hyper-V <bsdic@microsoft.com>
Subject:   RE: Hyper-V networking: problem after upgrade to 10.2
Message-ID:  <da559e9f67414d6baa0a57267a64d837@HKXPR3004MB0088.064d.mgd.msft.net>
In-Reply-To: <d9312cab2a514d2790d4ad6e452b1c05@ORTELIUS.internal.bugworks.com>
References:  <cdb46889a0164856987da43537a104de@ORTELIUS.internal.bugworks.com> <8572369fcc3b408891fc1a5a7d11e892@SG2PR3002MB0107.064d.mgd.msft.net> <bcca15b9c5cd4e0db3d80b40bde7405a@HKXPR3004MB0088.064d.mgd.msft.net> <1430812ff38c4e08a4b91ea25fdb5a7b@HKXPR3004MB0088.064d.mgd.msft.net> <1fdbb9b939c54e31ac00329f61bf6f41@ORTELIUS.internal.bugworks.com> <2323532a95934cdfae0142a9d6f88fd8@SG2PR3004MB0090.064d.mgd.msft.net> <2b22a9544c6c4ff3b017133a346e75e2@SG2PR3004MB0090.064d.mgd.msft.net> <7df41cc958ee408297487d4ffbb91903@HKXPR3004MB0088.064d.mgd.msft.net> <4e85ad234a0b4618ae5862fbcd266e3d@ORTELIUS.internal.bugworks.com> <0f761afc10864ad3aeb89ee7c9b6e8ac@HKXPR3004MB0088.064d.mgd.msft.net> <d1f0f7492a8d4bcca6acc4e7062e7855@ORTELIUS.internal.bugworks.com> <4105829efb1e4b3a91bc17f7fbdf8ac8@HKXPR3004MB0088.064d.mgd.msft.net> <0ce04bf413204478b1e7cc71ac28ecac@ORTELIUS.internal.bugworks.com> <1aba0d827b9041b79b85a09cf70e52b1@HKXPR3004MB0088.064d.mgd.msft.net> <dab71654578744c99e0ca2f800df7929@ORTELIUS.internal.bugworks.com> <d4e895d3f7324773bbe3459bc6522dd3@HKXPR3004MB0088.064d.mgd.msft.net> <e23579410d8240fd92e21cbd5bec98ac@ORTELIUS.internal.bugworks.com> <4a98b41221ed4c3b84a8c733aa23f24d@HKXPR3004MB0088.064d.mgd.msft.net> <d9312cab2a514d2790d4ad6e452b1c05@ORTELIUS.internal.bugworks.com>

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Jac, really great news!

So, can I think the whole issue in your side is caused by Bug 205156?
The fix to the bug has been in the 10/stable branch and should be in the co=
ming 10.3.
For 10.1 and 10.2 , I'm afraid you'll have to manually apply the patches an=
d build a new kernel.

BTW, the bug is actually a race condition when the netvsc driver registers =
multiple NIC devices, so sometimes we can easily repro the issue and someti=
mes we can't.

Thanks,
-- Dexuan

From: Jac Backus [mailto:j.backus@bugworks.com]
Sent: Wednesday, February 3, 2016 2:28
To: Dexuan Cui <decui@microsoft.com>; Sephe Qiao (Wicresoft) <v-yanqia@micr=
osoft.com>; Kylie Liang <kyliel@microsoft.com>; 'freebsd-virtualization@fre=
ebsd.org' <freebsd-virtualization@freebsd.org>; BSD Integration Components =
for Hyper-V <bsdic@microsoft.com>
Subject: RE: Hyper-V networking: problem after upgrade to 10.2

Dexuan, you are briljant!
That is the problem: Hn0 has the mac address of hn1, hn1 of hn2 and hn2 of =
hn0. So they have shifted one position to the left.

With kind regards,

Jac

Van: Dexuan Cui [mailto:decui@microsoft.com]
Verzonden: maandag 1 februari 2016 10:41
Aan: Jac Backus; Sephe Qiao (Wicresoft); Kylie Liang; 'freebsd-virtualizati=
on@freebsd.org'; BSD Integration Components for Hyper-V
Onderwerp: RE: Hyper-V networking: problem after upgrade to 10.2

Hmm, it's really strange... what's the difference between your existing 10.=
1 VM and a fresh 10.1 VM... :(

BTW,  please check if you are seeing this bug (it looks in your side the ne=
twork can stop working after a VM reboot):
Bug 205156 - [Hyper-V] NICs' (hn0, hn1) MAC addresses can appear in an unce=
rtain way across reboot (https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=
=3D205156<https://na01.safelinks.protection.outlook.com/?url=3Dhttps%3a%2f%=
2fbugs.freebsd.org%2fbugzilla%2fshow_bug.cgi%3fid%3d205156&data=3D01%7c01%7=
cdecui%40064d.mgd.microsoft.com%7ce1d0508d7e1a475e9c5d08d32bfef518%7c72f988=
bf86f141af91ab2d7cd011db47%7c1&sdata=3DSIv6Bi0qESksmQD3f1UKYUkoV9yGRL1xajG6=
K1qSdZA%3d>)?

Thanks,
-- Dexuan

From: Jac Backus [mailto:j.backus@bugworks.com]
Sent: Monday, February 1, 2016 17:17
To: Dexuan Cui <decui@microsoft.com<mailto:decui@microsoft.com>>; Sephe Qia=
o (Wicresoft) <v-yanqia@microsoft.com<mailto:v-yanqia@microsoft.com>>; Kyli=
e Liang <kyliel@microsoft.com<mailto:kyliel@microsoft.com>>; 'freebsd-virtu=
alization@freebsd.org' <freebsd-virtualization@freebsd.org<mailto:freebsd-v=
irtualization@freebsd.org>>; BSD Integration Components for Hyper-V <bsdic@=
microsoft.com<mailto:bsdic@microsoft.com>>
Subject: RE: Hyper-V networking: problem after upgrade to 10.2

Good day Dexuan,

I did. Unfortunately, no difference.
And at the moment the server is running on the 10.2 kernel:

uname -a
FreeBSD roadrunner.acme.inc 10.2-RELEASE-p9 FreeBSD 10.2-RELEASE-p9 #0: Thu=
 Jan 14 01:32:46 UTC 2016     root@amd64-builder.daemonology.net:/usr/obj/u=
sr/src/sys/GENERIC<mailto:root@amd64-builder.daemonology.net:/usr/obj/usr/s=
rc/sys/GENERIC>  amd64

But there is a big chance, that after a reboot, the network is gone again.
I will see if, when it works, it keeps working. I suppose it does.

With kind regards,

Jac

Van: Dexuan Cui [mailto:decui@microsoft.com]
Verzonden: maandag 1 februari 2016 3:07
Aan: Jac Backus; Sephe Qiao (Wicresoft); Kylie Liang; 'freebsd-virtualizati=
on@freebsd.org'; BSD Integration Components for Hyper-V
Onderwerp: RE: Hyper-V networking: problem after upgrade to 10.2

Hi Jac,
Good to know this!
It looks to me something in the VM or in the host might be causing the issu=
e???

Can you please do another quick test: shut down the "buggy" VM and remove i=
t in Hyper-V Manager (this will keep the .vhdx image) and then re-create th=
e VM with the .vhdx image?

Thanks,
-- Dexuan

From: Jac Backus [mailto:j.backus@bugworks.com]
Sent: Sunday, January 31, 2016 23:21
To: Dexuan Cui <decui@microsoft.com<mailto:decui@microsoft.com>>; Sephe Qia=
o (Wicresoft) <v-yanqia@microsoft.com<mailto:v-yanqia@microsoft.com>>; Kyli=
e Liang <kyliel@microsoft.com<mailto:kyliel@microsoft.com>>; 'freebsd-virtu=
alization@freebsd.org' <freebsd-virtualization@freebsd.org<mailto:freebsd-v=
irtualization@freebsd.org>>; BSD Integration Components for Hyper-V <bsdic@=
microsoft.com<mailto:bsdic@microsoft.com>>
Subject: RE: Hyper-V networking: problem after upgrade to 10.2

Hello Dexuan,

I did a fresh install of a 10.1 VM and upgraded it to 10.2. Is looks like i=
t works well.

With kind regards,

Jac


Van: Dexuan Cui [mailto:decui@microsoft.com]
Verzonden: zondag 31 januari 2016 7:07
Aan: Jac Backus; Sephe Qiao (Wicresoft); Kylie Liang; 'freebsd-virtualizati=
on@freebsd.org'; BSD Integration Components for Hyper-V
Onderwerp: RE: Hyper-V networking: problem after upgrade to 10.2

Hi Jac,
Good to know the information.

Since I can't repro the issue, it's difficult for me to debug it. :(
I'm guessing if it would help if you use a permanent ARP entry in the VM ("=
arp -s hostname ether_addr") for the other end - surely this is only for de=
bug purpose.

During the VM boot-up, can you keep pinging the VM from the other host. I m=
ean: it looks the NIC never works since it becomes UP in the VM?

BTW, I'm not sure if it's easy for you to do the same test as mine, i.e., d=
o a fresh installation of 10.1 VM and upgrade it to 10.2.

@Sephe, any idea?

Thanks,
-- Dexuan

From: Jac Backus [mailto:j.backus@bugworks.com]
Sent: Sunday, January 31, 2016 3:42
To: Dexuan Cui <decui@microsoft.com<mailto:decui@microsoft.com>>; Sephe Qia=
o (Wicresoft) <v-yanqia@microsoft.com<mailto:v-yanqia@microsoft.com>>; Kyli=
e Liang <kyliel@microsoft.com<mailto:kyliel@microsoft.com>>; 'freebsd-virtu=
alization@freebsd.org' <freebsd-virtualization@freebsd.org<mailto:freebsd-v=
irtualization@freebsd.org>>; BSD Integration Components for Hyper-V <bsdic@=
microsoft.com<mailto:bsdic@microsoft.com>>
Subject: RE: Hyper-V networking: problem after upgrade to 10.2

Good day Dexuan,

There is something wrong with getting mac addresses for host on the lan, it=
 seems.

When I ping the 10.2 server from a host on the net, I see on that host  arp=
 requests  (Wireshark: who has ... Tell ...) for the 10.2 server.

Arp -a on the 10.2 server itself says for the non-server entries
 ? <address> at (imcomplete) on hn0 expired [ethernet]

Tcpdump on the 10.2 server only shows arp requests:
ARP, Request who-has ... tell ...

Does this help?

With kind regards,

Jac
Van: Dexuan Cui [mailto:decui@microsoft.com]
Verzonden: vrijdag 29 januari 2016 9:59
Aan: Jac Backus; Sephe Qiao (Wicresoft); Kylie Liang; 'freebsd-virtualizati=
on@freebsd.org'; BSD Integration Components for Hyper-V
Onderwerp: RE: Hyper-V networking: problem after upgrade to 10.2

Hmm, it's strange we can't repro.

I suppose you can't ping the netgate VM (or machine) 's IP address either? =
When this happens, can you check the arp table in both sides?
Can you please run tcpdump in the VM and in the gateway to diagnose the iss=
ue?

Thanks,
-- Dexuan

From: Jac Backus [mailto:j.backus@bugworks.com]
Sent: Friday, January 29, 2016 15:36
To: Dexuan Cui <decui@microsoft.com<mailto:decui@microsoft.com>>; Sephe Qia=
o (Wicresoft) <v-yanqia@microsoft.com<mailto:v-yanqia@microsoft.com>>; Kyli=
e Liang <kyliel@microsoft.com<mailto:kyliel@microsoft.com>>; 'freebsd-virtu=
alization@freebsd.org' <freebsd-virtualization@freebsd.org<mailto:freebsd-v=
irtualization@freebsd.org>>; BSD Integration Components for Hyper-V <bsdic@=
microsoft.com<mailto:bsdic@microsoft.com>>
Subject: RE: Hyper-V networking: problem after upgrade to 10.2

Hello Dexuan,

That remarkable.
My uname -a is indentical.

I can ping local interfaces. Ping to other addresses in local subnet gives:=
 Ping: sendto: Host is down. Ping to other addresses gives: Ping: sendto: N=
o route to host.
Routing tables (netstat -rn) for both versions look the same.

Is there something I can test?

With kind regards,

Jac

Van: Dexuan Cui [mailto:decui@microsoft.com]
Verzonden: vrijdag 29 januari 2016 4:25
Aan: Jac Backus; Sephe Qiao (Wicresoft); Kylie Liang; 'freebsd-virtualizati=
on@freebsd.org'; BSD Integration Components for Hyper-V
Onderwerp: RE: Hyper-V networking: problem after upgrade to 10.2


Hi Jac,

I installed a 10.1 VM with FreeBSD-10.1-RELEASE-amd64-dvd1.iso and upgraded=
 it to 10.2 by running "freebsd-update upgrade -r 10.2-RELEASE".
Everything worked just fine. With the new kernel (see the below), ssh and s=
cp still works fine for me.

# uname -a
FreeBSD bsd101 10.2-RELEASE-p9 FreeBSD 10.2-RELEASE-p9 #0: Thu Jan 14 01:32=
:46 UTC 2016     root@amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GE=
NERIC<mailto:root@amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERI=
C>  amd64

What's the specific symptom for "networking does not work anymore" in your =
side(upgrading from 10.1 to 10.2)?

Thanks,
-- Dexuan

From: Jac Backus [mailto:j.backus@bugworks.com]
Sent: Wednesday, January 27, 2016 17:35
To: Dexuan Cui <decui@microsoft.com<mailto:decui@microsoft.com>>; Sephe Qia=
o (Wicresoft) <v-yanqia@microsoft.com<mailto:v-yanqia@microsoft.com>>; Kyli=
e Liang <kyliel@microsoft.com<mailto:kyliel@microsoft.com>>; 'freebsd-virtu=
alization@freebsd.org' <freebsd-virtualization@freebsd.org<mailto:freebsd-v=
irtualization@freebsd.org>>; BSD Integration Components for Hyper-V <bsdic@=
microsoft.com<mailto:bsdic@microsoft.com>>
Subject: RE: Hyper-V networking: problem after upgrade to 10.2

Hello Dexuan,

Unfortunetely, no OACTIVE flag:

hn0: flags=3D8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
        options=3D31b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,TSO4,TSO6>

With kind regards,

Jac

Van: Dexuan Cui [mailto:decui@microsoft.com]
Verzonden: woensdag 27 januari 2016 4:09
Aan: Sephe Qiao (Wicresoft); Jac Backus; Kylie Liang; 'freebsd-virtualizati=
on@freebsd.org'; BSD Integration Components for Hyper-V
Onderwerp: RE: Hyper-V networking: problem after upgrade to 10.2

Hi Jac,
Please show 'ifconfig -a' when the issue happens (when you upgrade 10.1 fro=
m 10.2).
We suspect it may be a known OACTIVE issue and "ifconfig -a' can confirm th=
is, the output has the string "OACTIVE".

It looks somehow the issue doesn't happen when we use a 10.2 fresh installa=
tion.

Thanks,
-- Dexuan

From: Sephe Qiao (Wicresoft)
Sent: Wednesday, January 27, 2016 9:13
To: Jac Backus <j.backus@bugworks.com<mailto:j.backus@bugworks.com>>; Dexua=
n Cui <decui@microsoft.com<mailto:decui@microsoft.com>>; Kylie Liang <kylie=
l@microsoft.com<mailto:kyliel@microsoft.com>>; 'freebsd-virtualization@free=
bsd.org' <freebsd-virtualization@freebsd.org<mailto:freebsd-virtualization@=
freebsd.org>>; BSD Integration Components for Hyper-V <bsdic@microsoft.com<=
mailto:bsdic@microsoft.com>>
Subject: RE: Hyper-V networking: problem after upgrade to 10.2

Oh, please ignore this, I think its solved :)

From: Sephe Qiao (Wicresoft)
Sent: Wednesday, January 27, 2016 9:10 AM
To: Jac Backus <j.backus@bugworks.com<mailto:j.backus@bugworks.com>>; Dexua=
n Cui <decui@microsoft.com<mailto:decui@microsoft.com>>; Kylie Liang <kylie=
l@microsoft.com<mailto:kyliel@microsoft.com>>; 'freebsd-virtualization@free=
bsd.org' <freebsd-virtualization@freebsd.org<mailto:freebsd-virtualization@=
freebsd.org>>; BSD Integration Components for Hyper-V <bsdic@microsoft.com<=
mailto:bsdic@microsoft.com>>
Subject: RE: Hyper-V networking: problem after upgrade to 10.2

Hi Jac,

What's the output of 'ifconfig -a' when this happened?

Thanks,
sephe

From: Jac Backus [mailto:j.backus@bugworks.com]
Sent: Tuesday, January 26, 2016 6:37 PM
To: Dexuan Cui <decui@microsoft.com<mailto:decui@microsoft.com>>; Kylie Lia=
ng <kyliel@microsoft.com<mailto:kyliel@microsoft.com>>; 'freebsd-virtualiza=
tion@freebsd.org' <freebsd-virtualization@freebsd.org<mailto:freebsd-virtua=
lization@freebsd.org>>; BSD Integration Components for Hyper-V <bsdic@micro=
soft.com<mailto:bsdic@microsoft.com>>
Subject: RE: Hyper-V networking: problem after upgrade to 10.2


Hello Dexuan,



It seems, it is not completely correct, although the effect is as if it is =
not working.

Systat -ifstat 1 shows this:

[cid:image001.png@01D159DA.65A3A0E0]



So something is happening. But I can not reach anything. And the server can=
 not be reached from the lan (hn0) or internet (hn1 and hn2).



I get a firewall message in /var/log/messages (first message from 11:18:55)=
:

[cid:image002.png@01D159DA.65A3A0E0]

But this is just caused by the problem?



If I can help with further information, please let me know.



Regarding Bug 187006, all interfaces have fixed addresses.



With kind regards,



Jac







-----Oorspronkelijk bericht-----
Van: Dexuan Cui [mailto:decui@microsoft.com]
Verzonden: dinsdag 26 januari 2016 7:55
Aan: Kylie Liang; Jac Backus; 'freebsd-virtualization@freebsd.org'; BSD Int=
egration Components for Hyper-V
Onderwerp: RE: Hyper-V networking: problem after upgrade to 10.2



Hi Jac,

BTW,  what do you mean by saying "networking does not work anymore" -- can =
you please check if your issue is the same as



Bug 187006 - [hyper-v] dynamic address (dhcp) obtaining doesn't work on HYP=
ER-V OS 2012 R2

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D187006<https://na01.saf=
elinks.protection.outlook.com/?url=3Dhttps%3a%2f%2fbugs.freebsd.org%2fbugzi=
lla%2fshow_bug.cgi%3fid%3d187006&data=3D01%7c01%7cv-yanqia%40064d.mgd.micro=
soft.com%7cef82474449e745da88c908d3263e7e48%7c72f988bf86f141af91ab2d7cd011d=
b47%7c1&sdata=3D1IyQb3x7ecm%2f6uESQmVAAyAyOQr4ZMJ3Fkawp93dZgQ%3d> ?



Thanks,

-- Dexuan





> -----Original Message-----

> From: Dexuan Cui

> Sent: Tuesday, January 26, 2016 14:49

> To: Kylie Liang <kyliel@microsoft.com<mailto:kyliel@microsoft.com>>; Jac =
Backus

> <j.backus@bugworks.com<mailto:j.backus@bugworks.com>>; 'freebsd-virtualiz=
ation@freebsd.org'

> <freebsd-virtualization@freebsd.org<mailto:freebsd-virtualization@freebsd=
.org>>; BSD Integration Components for

> Hyper-V <bsdic@microsoft.com<mailto:bsdic@microsoft.com>>

> Subject: RE: Hyper-V networking: problem after upgrade to 10.2

>

> Hi Jac,

> Kylie meant disabling TSO. Please try this ("ifconfig hn0 -tso").

>

> The message " hn0: unknown status 1073872902 received" should be an

> unnecessary warning only.

> My 10.2 VM can work fine even if I see the message too.

>

> Can you please install a 10.2 VM from the 10.2 .ISO file directly as I

> did and see if it works for you?

>

> I guess we never tried upgrading 10.1 from 10.2.

> Can you please list the steps how you did the upgrading? We'll try the

> same steps.

>

> Thanks,

> -- Dexuan

>

> > -----Original Message-----

> > From: Kylie Liang

> > Sent: Tuesday, January 26, 2016 8:01

> > To: Jac Backus <j.backus@bugworks.com<mailto:j.backus@bugworks.com>>; '=
freebsd-

> virtualization@freebsd.org<mailto:virtualization@freebsd.org>'

> > <freebsd-virtualization@freebsd.org<mailto:freebsd-virtualization@freeb=
sd.org>>; BSD Integration Components for

> > Hyper-

> V

> > <bsdic@microsoft.com<mailto:bsdic@microsoft.com>>

> > Subject: RE: Hyper-V networking: problem after upgrade to 10.2

> >

> > Hi Jac,

> >

> > Thank you for asking. To isolate your issue, could you please try

> > disabling SO

> on

> > your 10.2 system first? Thank you.

> >

> > And I would like to confirm with you

> > 1) You met issue for 10.2 kernel + 10.2 system

> > 2) No issue for 10.1 kernel + 10.1 system

> > 3) No issue for 10.1 kernel + 10.2 system

> >

> > Right? And add our engineers in the list.

> >

> > Thanks,

> > Kylie Liang

> >

> > -----Original Message-----

> > From: owner-freebsd-virtualization@freebsd.org<mailto:owner-freebsd-vir=
tualization@freebsd.org>

> > [mailto:owner-freebsd- virtualization@freebsd.org<mailto:virtualization=
@freebsd.org>] On Behalf Of Jac

> > Backus

> > Sent: Tuesday, January 26, 2016 5:56 AM

> > To: 'freebsd-virtualization@freebsd.org'

> > <freebsd-virtualization@freebsd.org<mailto:freebsd-virtualization@freeb=
sd.org>>

> > Subject: Hyper-V networking: problem after upgrade to 10.2

> >

> > Dear reader,

> >

> > Today, I did  upgrade  FreeBSD 10.1 to 10.2 running on Hyper-V on a

> > full

> patched

> > Windows Server 2012 R2 x64 version.

> >

> > After the update, networking does not work anymore.

> >

> > In /var/log/messages is this:

> >

> > Jan 25 21:02:01 mercurius kernel: hn0: <Synthetic Network Interface>

> > on

> > vmbus0 Jan 25 21:02:01 mercurius kernel: hn0: unknown status

> > 1073872902 received Jan 25 21:02:01 mercurius kernel: hn0: unknown

> > status 1073872902 received Jan 25 21:02:01 mercurius kernel: hn0: hv

> > send offload request succeeded Jan 25 21:02:01 mercurius kernel: hn0: U=
sing defaults for TSO:

> > 65518/35/2048 Jan 25 21:02:01 mercurius kernel: hn0: Ethernet address:

> > 00:15:5d:ac:11:08 Jan 25 21:02:01 mercurius kernel: hn1: <Synthetic

> > Network

> > Interface> on vmbus0 Jan 25 21:02:01 mercurius kernel: hn1: unknown

> > Interface> status

> > 1073872902 received Jan 25 21:02:01 mercurius kernel: hn1: unknown

> > status

> > 1073872902 received Jan 25 21:02:01 mercurius kernel: hn1: hv send

> > offload request succeeded Jan 25 21:02:01 mercurius kernel: hn1:

> > Using defaults for

> TSO:

> > 65518/35/2048 Jan 25 21:02:01 mercurius kernel: hn1: Ethernet address:

> > 00:15:5d:ac:11:09 Jan 25 21:02:01 mercurius kernel: hn2: <Synthetic

> > Network

> > Interface> on vmbus0 Jan 25 21:02:01 mercurius kernel: hn2: unknown

> > Interface> status

> > 1073872902 received Jan 25 21:02:01 mercurius kernel: hn2: unknown

> > status

> > 1073872902 received Jan 25 21:02:01 mercurius kernel: hn2: hv send

> > offload request succeeded Jan 25 21:02:01 mercurius kernel: hn2:

> > Using defaults for

> TSO:

> > 65518/35/2048 Jan 25 21:02:01 mercurius kernel: hn2: Ethernet address:

> > 00:15:5d:ac:11:07

> >

> > It worked fine with the 10.1 kernel, and when I boot this kernel, it wo=
rks again:

> >

> > Jan 25 22:20:02 mercurius kernel: hn0: <Synthetic Network Interface>

> > on

> > vmbus0 Jan 25 22:20:02 mercurius kernel: hn0: Ethernet address:

> > 00:15:5d:ac:11:07 Jan 25 22:20:02 mercurius kernel: hn1: <Synthetic

> > Network

> > Interface> on vmbus0 Jan 25 22:20:02 mercurius kernel: hn1: Ethernet ad=
dress:

> > 00:15:5d:ac:11:08 Jan 25 22:20:02 mercurius kernel: hn2: <Synthetic

> > Network

> > Interface> on vmbus0 Jan 25 22:20:02 mercurius kernel: hn2: Ethernet ad=
dress:

> > 00:15:5d:ac:11:09

> >

> > So I am running  a 10.2 system on a 10.1 kernel at the moment.

> >

> > I found nothing in /usr/src/UPDATING and not really anything on the net=
.

> >

> > So, could you tell why does this happen, and how can I solve this?

> >

> > Thanks for the help!

> >

> > With kind regards,

> >

> > Jac Backus

> >

> >

> >

> > _______________________________________________

> > freebsd-virtualization@freebsd.org<mailto:freebsd-virtualization@freebs=
d.org> mailing list

> >

> https://na01.safelinks.protection.outlook.com/?url=3Dhttps%3a%2f%2flists

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