openvswitch: avoid reallocating confirmed conntrack labels

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/openvswitch/conntrack.c"
                    ],
                    "versions": [
                        {
                            "version": "c2ac667358708d7cce64c78f58af6adf4c1e848b",
                            "lessThan": "4371d79ea74407fb992c985b1f94391e35bb8289",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c2ac667358708d7cce64c78f58af6adf4c1e848b",
                            "lessThan": "7ff688aceada1160331a789385ea146f62fbddf7",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c2ac667358708d7cce64c78f58af6adf4c1e848b",
                            "lessThan": "05eab8dced6bf4d3009a6eeee16ddac99047dc83",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c2ac667358708d7cce64c78f58af6adf4c1e848b",
                            "lessThan": "579d87ec1e1e85729a6cb2c25961e58beb78640c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c2ac667358708d7cce64c78f58af6adf4c1e848b",
                            "lessThan": "2e6dd889c325abf23821e1459c3ffef59b7f0009",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c2ac667358708d7cce64c78f58af6adf4c1e848b",
                            "lessThan": "d16f089bd700f45d720ce989d5495e1dc3be0cf8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c2ac667358708d7cce64c78f58af6adf4c1e848b",
                            "lessThan": "8c9fcc6c33950d3db551af664d1fd3d998bfee56",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c2ac667358708d7cce64c78f58af6adf4c1e848b",
                            "lessThan": "3f118c8217c109fd13ca61caa301d72c483897ef",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                }

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/openvswitch/conntrack.c"
                    ],
                    "versions": [
                        {
                            "version": "4.3",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.3",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.271",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.222",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.189",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.158",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.112",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.54",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.8",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }