net: ipv4: fix route with nexthop object delete warning
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.4.189 by commit f5064531c23ad646da7be8b938292b00a7e61438, it was introduced in version v5.3 by commit 4c7e8084fd467ddb2b0e6c6011f9c1064afb7e56. For more details please see the references link.