igt@gem_exec_parallel@engines@* - incomplete - No useful logs

https://gfx-ci.igk.intel.com/cibuglog-ng/testresult/1855597915?query_key=4689497c0802eb0c52030de70c5ecdb123ee0e32

<6> [86.430302] [IGT] gem_exec_parallel: starting dynamic subtest fds
<7> [86.430639] [drm:eb_lookup_vmas [i915]] EINVAL at eb_validate_vma:511
<7> [86.431096] i915 0000:00:02.0: [drm:i915_drop_caches_set [i915]] Dropping caches: 0x0000005c [0x0000005c]
<7> [86.528111] i915 0000:00:02.0: [drm:i915_gem_open [i915]] 
<7> [86.528111] i915 0000:00:02.0: [drm:i915_gem_open [i915]] 
<7> [86.528111] i915 0000:00:02.0: [drm:i915_gem_open [i915]] 
<7> [86.528117] i915 0000:00:02.0: [drm:i915_gem_open [i915]] 
<7> [86.528114] i915 0000:00:02.0: [drm:i915_gem_open [i915]] 
<7> [86.528120] i915 0000:00:02.0: [drm:i915_gem_open [i915]] 
<7> [86.528144] i915 0000:00:02.0: [drm:i915_gem_open [i915]] 
<7> [86.528154] i915 0000:00:02.0: [drm:i915_gem_open [i915]] 
<7> [86.528313] i915 0000:00:02.0: [drm:i915_gem_open [i915]] 
<7> [86.528297] i915 0000:00:02.0: [drm:i915_gem_open [i915]] 
<7> [86.528579] i915 0000:00:02.0: [drm:i915_gem_open [i915]] 
<7> [86.528496] i915 0000:00:02.0: [drm:i915_gem_open [i915]] 
<7> [86.528639] i915 0000:00:02.0: [drm:i915_gem_open [i915]] 
<7> [86.528652] i915 0000:00:02.0: [drm:i915_gem_open [i915]] 
<7> [86.528714] i915 0000:00:02.0: [drm:i915_gem_open [i915]] 
<7> [86.528776] i915 0000:00:02.0: [drm:i915_gem_open [i915]] 
<7> [86.528780] i915 0000:00:02.0: [drm:i915_gem_open [i915]] 
<7> [86.528787] i915 0000:00:02.0: [drm:i915_gem_open [i915]] 
<7> [86.528839] i915 0000:00:02.0: [drm:i915_gem_open [i915]] 
<7> [86.528836] i915 0000:00:02.0: [drm:i915_gem_open [i915]] 
<7> [86.529089] i915 0000:00:02.0: [drm:i915_gem_open [i915]] 
<7> [86.529098] i915 0000:00:02.0: [drm:i915_gem_open [i915]]