lib: log errors from platform

nl_syserr2nlerr() reduces a lot of platform errors to NLE_FAILURE --
"Unspecific failure" which makes it somehow hard to track down the real reason
behind a failure.

Logging them with level of 4 makes it a little less painful.

https://github.com/thom311/libnl/pull/65

Signed-off-by: Thomas Haller <thaller@redhat.com>
3 files changed