net: Remove conflicting altnames for dying netns in __dev_change_net_namespace().

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/core/dev.c"
                    ],
                    "versions": [
                        {
                            "version": "36fbf1e52bd3ff8a5cb604955eedfc9350c2e6cc",
                            "lessThan": "54772bf503dd0e81e8b8db537fee6946de81e717",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "36fbf1e52bd3ff8a5cb604955eedfc9350c2e6cc",
                            "lessThan": "119ac1716705af17fb74b3e33058a938a87eecd4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "36fbf1e52bd3ff8a5cb604955eedfc9350c2e6cc",
                            "lessThan": "a29ea5b5034654aaaa4aadd771f48c01abfd2dfa",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "36fbf1e52bd3ff8a5cb604955eedfc9350c2e6cc",
                            "lessThan": "ac6631843269e6a9b2164e393b7f729328711d78",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "36fbf1e52bd3ff8a5cb604955eedfc9350c2e6cc",
                            "lessThan": "debac3a20dec524a59625cf10fa2f18571127824",
                            "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/core/dev.c"
                    ],
                    "versions": [
                        {
                            "version": "5.5",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.5",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.160",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.114",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.53",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.7",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }