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Simptoms of the issue:\n   - OVS agent on that node will go down with the error\n     \"Failed to create memory pool for netdev vhua8028b63-26, with MTU 1500 on socket 0: File name too long\"\n   - \"ovs-vsctl show\" shows \"could not add network device vhuc9a89c19-ee to ofproto (Invalid argument)\"\n   - OVS debug log shows \"Failed to create mempool \"ovsb687631200093260262144\" with a request of 262144 mbufs, retrying with 131072 mbufs\"\n  The workaround should be deleted after root cause is clear and fix introduced.\n\nChange-Id: I91b9ae38db07fb064e9b2663e141975e0298fd7b\n","web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/openstack-helm-infra/commit/d3edea1554cd61c8d7c72deb7c03cbab0e4412ec"}],"resolve_conflicts_web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/openstack-helm-infra/commit/d3edea1554cd61c8d7c72deb7c03cbab0e4412ec"}]},"branch":"refs/heads/master"},"87b5c2a2bf14d1273bf0950d1825e642ba24a130":{"kind":"REWORK","_number":2,"created":"2023-07-14 18:53:42.000000000","uploader":{"_account_id":15232,"name":"Leontii","email":"leontii.istomin@intel.com","username":"listomin"},"ref":"refs/changes/12/888612/2","fetch":{"anonymous http":{"url":"https://review.opendev.org/openstack/openstack-helm-infra","ref":"refs/changes/12/888612/2","commands":{"Checkout":"git fetch https://review.opendev.org/openstack/openstack-helm-infra refs/changes/12/888612/2 \u0026\u0026 git checkout FETCH_HEAD","Cherry Pick":"git fetch https://review.opendev.org/openstack/openstack-helm-infra refs/changes/12/888612/2 \u0026\u0026 git cherry-pick FETCH_HEAD","Format Patch":"git fetch https://review.opendev.org/openstack/openstack-helm-infra refs/changes/12/888612/2 \u0026\u0026 git format-patch -1 --stdout FETCH_HEAD","Pull":"git pull https://review.opendev.org/openstack/openstack-helm-infra refs/changes/12/888612/2"}}},"commit":{"parents":[{"commit":"2542db16478472d73286656a5dee0d9da1449c5d","subject":"Merge \"Disable libvirt cgroup functionality for cgroup v2\"","web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/openstack-helm-infra/commit/2542db16478472d73286656a5dee0d9da1449c5d"}]}],"author":{"name":"Leontii Istomin","email":"listomin@mirantis.com","date":"2023-07-14 18:30:16.000000000","tz":-300},"committer":{"name":"Leontii Istomin","email":"listomin@mirantis.com","date":"2023-07-14 18:53:38.000000000","tz":-300},"subject":"Workaround for case when DPDK enabled, fist VM created on a compute node spawned in a net wirh big MTU like 9150.","message":"Workaround for case when DPDK enabled, fist VM created on a compute node spawned in a net wirh big MTU like 9150.\n\n  In this case if we\u0027ll spawn a VM on top of the same compute node, but in network with smaller MTU\n  like 1500. Simptoms of the issue:\n   - OVS agent on that node will go down with the error\n     \"Failed to create memory pool for netdev vhua8028b63-26, with MTU 1500 on socket 0: File name too long\"\n   - \"ovs-vsctl show\" shows \"could not add network device vhuc9a89c19-ee to ofproto (Invalid argument)\"\n   - OVS debug log shows \"Failed to create mempool \"ovsb687631200093260262144\" with a request of 262144 mbufs, retrying with 131072 mbufs\"\n  The workaround should be deleted after root cause is clear and fix introduced.\n\nChange-Id: I91b9ae38db07fb064e9b2663e141975e0298fd7b\n","web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/openstack-helm-infra/commit/87b5c2a2bf14d1273bf0950d1825e642ba24a130"}],"resolve_conflicts_web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/openstack-helm-infra/commit/87b5c2a2bf14d1273bf0950d1825e642ba24a130"}]},"branch":"refs/heads/master"},"f91729f428d1a62137b3ba2b2ad0fe5663e3a8b0":{"kind":"REWORK","_number":3,"created":"2023-07-14 18:54:16.000000000","uploader":{"_account_id":15232,"name":"Leontii","email":"leontii.istomin@intel.com","username":"listomin"},"ref":"refs/changes/12/888612/3","fetch":{"anonymous http":{"url":"https://review.opendev.org/openstack/openstack-helm-infra","ref":"refs/changes/12/888612/3","commands":{"Checkout":"git fetch https://review.opendev.org/openstack/openstack-helm-infra refs/changes/12/888612/3 \u0026\u0026 git checkout FETCH_HEAD","Cherry Pick":"git fetch https://review.opendev.org/openstack/openstack-helm-infra refs/changes/12/888612/3 \u0026\u0026 git cherry-pick FETCH_HEAD","Format Patch":"git fetch https://review.opendev.org/openstack/openstack-helm-infra refs/changes/12/888612/3 \u0026\u0026 git format-patch -1 --stdout FETCH_HEAD","Pull":"git pull https://review.opendev.org/openstack/openstack-helm-infra refs/changes/12/888612/3"}}},"commit":{"parents":[{"commit":"2542db16478472d73286656a5dee0d9da1449c5d","subject":"Merge \"Disable libvirt cgroup functionality for cgroup v2\"","web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/openstack-helm-infra/commit/2542db16478472d73286656a5dee0d9da1449c5d"}]}],"author":{"name":"Leontii Istomin","email":"listomin@mirantis.com","date":"2023-07-14 18:30:16.000000000","tz":-300},"committer":{"name":"Leontii Istomin","email":"listomin@mirantis.com","date":"2023-07-14 18:54:12.000000000","tz":-300},"subject":"Workaround for case when DPDK enabled, fist VM created on a compute node spawned in a net wirh big MTU like 9150.","message":"Workaround for case when DPDK enabled, fist VM created on a compute node spawned in a net wirh big MTU like 9150.\n\n  In this case if we\u0027ll spawn a VM on top of the same compute node, but in network with smaller MTU\n  like 1500. 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