Improve error messages on missing runtime
Improve error messages on missing runtime

Also stat.h is included twice,
Add more info on log file name and error when failing to open.

Signed-off-by: Daniel J Walsh <7800de746fd39599bc46177380ea6aede7e31e16@redhat.com>

nalind/cri-o,mikebrow/cri-o,vbatts/cri-o,vbatts/cri-o,kubernetes-incubator/ocid,mikebrow/cri-o,kubernetes-incubator/cri-o,14rcole/cri-o,mikebrow/cri-o,vbatts/cri-o,rhatdan/cri-o,jwhonce/ocid,mikebrow/cri-o,14rcole/cri-o,rhatdan/cri-o,kubernetes-incubator/cri-o,kubernetes-incubator/cri-o,vbatts/cri-o,nalind/cri-o,jwhonce/ocid,kubernetes-incubator/ocid,kubernetes-incubator/cri-o,rhatdan/cri-o,14rcole/cri-o,14rcole/cri-o,rhatdan/cri-o,jwhonce/ocid,kubernetes-incubator/ocid,nalind/cri-o