Comment 15 for bug 1671951

Revision history for this message
Ryan Harper (raharper) wrote : Re: [Bug 1671951] Re: networkd should allow configuring IPV6 MTU

This may now be a cloud-init bug if the support is there since this is
a network-config v1 -> cloud-init renders netplan.
On Fri, Sep 28, 2018 at 9:12 AM Scott Moser <email address hidden> wrote:
>
> Hm...
>
> Our tests show that this is not fixed in cosmic or bionic.
>
> https://jenkins.ubuntu.com/server/job/curtin-vmtest-devel-amd64/533/console
> shows curtin's vmtest failing. Partial output shows:
>
> ======================================================================
> ERROR: test_ipv6_mtu_smaller_than_ipv4_v6_iface_first (vmtests.test_network_mtu.CosmicTestNetworkMtu)
> ----------------------------------------------------------------------
> Traceback (most recent call last):
> File "/var/lib/jenkins/slaves/torkoal/workspace/curtin-vmtest-devel-amd64/curtin-533/tests/vmtests/__init__.py", line 468, in wrapper
> raise RuntimeError(msg)
> RuntimeError: skip_by_date(CosmicTestNetworkMtu.test_ipv6_mtu_smaller_than_ipv4_v6_iface_first) LP: #1671951 fixby=2018-09-26 removeby=2018-10-17: (PAST_FIXBY) Failed: 1480 != 1500
> -------------------- >> begin captured stdout << ---------------------
> iface=interface4 subnets=[{'address': '2001:4800:78ff:1b:be76:4eff:fe06:5000', 'netmask': 64, 'type': 'static', 'mtu': 1480}, {'address': '192.168.5.2/24', 'type': 'static', 'mtu': 1501}]
> subnet:{'address': '2001:4800:78ff:1b:be76:4eff:fe06:5000', 'netmask': 64, 'type': 'static', 'mtu': 1480}
> mtu_data:{'device': 1500, 'ipv6': 1500}
> subnet_mtu=1480 ipv6_mtu=1500
>
> --------------------- >> end captured stdout << ----------------------
>
>
> ** Attachment added: "console log of curtin vmtest amd64 533"
> https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1671951/+attachment/5194078/+files/curtin-vmtest-devel-amd64-533-console.log
>
> --
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> report.
> https://bugs.launchpad.net/bugs/1671951
>
> Title:
> networkd should allow configuring IPV6 MTU
>
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