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DRAFT: Configure mtu#2

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bgartzi wants to merge 2 commits into
kubevirt:mainfrom
bgartzi:configure-mtu
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DRAFT: Configure mtu#2
bgartzi wants to merge 2 commits into
kubevirt:mainfrom
bgartzi:configure-mtu

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@bgartzi

@bgartzi bgartzi commented May 20, 2026

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Configures the MTU on the vdpa device if it is advertised in the network status.

Note that mtu configuration of vdpa devices is not supported in the libvirt version being shipped with the latest upstream KubeVirt.

This also depends on kubevirt/kubevirt#17845 so please, do not merge, and just refer to this as what it really is: a draft.

@kubevirt-bot kubevirt-bot added do-not-merge/work-in-progress Indicates that a PR should not merge because it is a work in progress. dco-signoff: yes Indicates the PR's author has DCO signed all their commits. size/L labels May 20, 2026
@bgartzi

bgartzi commented Jun 12, 2026

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Rebased onto #3 (it now depends on it) as it makes the implementation cleaner.

While on it, also bump kubevirt.io/{api,client-go} so everything fits.

Signed-off-by: Beñat Gartzia Arruabarrena <bgartzia@redhat.com>
@bgartzi

bgartzi commented Jun 16, 2026

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Now kubevirt is bumped onto the latest available upstream instead of the personal fork containing the mtu downwardapi patch.

Libvirt still does not support setting host_mtu for vdpa devices nor the sriov-network-operator setting a custom MTU nor ovs-cni on advertising it.

Signed-off-by: Beñat Gartzia Arruabarrena <bgartzia@redhat.com>
@kubevirt-prow kubevirt-prow Bot added the needs-rebase Indicates a PR cannot be merged because it has merge conflicts with HEAD. label Jul 7, 2026
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kubevirt-prow Bot commented Jul 7, 2026

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PR needs rebase.

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