9f9e4ddb49
Only print the errno string in case sysctl(3) does not file with ENOENT This reduces the noise in error reporing from sysctl(8): Before: $ sysctl bla=something sysctl: unknown oid 'bla': No such file or directory After: $ sysctl bla=something sysctl: unknown oid 'bla' Sponsored by: Gandi.net