bonding: fix xfrm real_dev null pointer dereference

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/bonding/bond_main.c"
                    ],
                    "versions": [
                        {
                            "version": "18cb261afd7bf50134e5ccacc5ec91ea16efadd4",
                            "lessThan": "21816b696c172c19d53a30d45ee005cce246ed21",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "18cb261afd7bf50134e5ccacc5ec91ea16efadd4",
                            "lessThan": "2f72c6a66bcd7e0187ec085237fee5db27145294",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "18cb261afd7bf50134e5ccacc5ec91ea16efadd4",
                            "lessThan": "7fa9243391ad2afe798ef4ea2e2851947b95754f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "18cb261afd7bf50134e5ccacc5ec91ea16efadd4",
                            "lessThan": "4582d4ff413a07d4ed8a4823c652dc5207760548",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "18cb261afd7bf50134e5ccacc5ec91ea16efadd4",
                            "lessThan": "89fc1dca79db5c3e7a2d589ecbf8a3661c65f436",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "18cb261afd7bf50134e5ccacc5ec91ea16efadd4",
                            "lessThan": "f8cde9805981c50d0c029063dc7d82821806fc44",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                }

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/bonding/bond_main.c"
                    ],
                    "versions": [
                        {
                            "version": "5.9",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.9",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.225",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.166",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.107",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.48",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.10.7",
                            "lessThanOrEqual": "6.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.11",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }