I got this on 4 rigas with nevermore-brian112358-v0.2.2 with XR16. What this can be ?

============ Starting Miner ===============
*** nevermore 0.2.2 for nVidia GPUs by brian112358@github bin run sbin Built with the nVidia CUDA Toolkit 8.0 64-bits
Originally based on Christian Buchner and Christian H. project
Include some kernels from alexis78, djm34, djEzo, tsiv and krnlx.
Dev donation set to 1.0%. Thanks for supporting this project!
[2018-04-06 19:45:47] Starting on stratum tcp://stratum.threeeyed.info:3331
[2018-04-06 19:45:47] NVML GPU monitoring enabled.
[2018-04-06 19:45:47] 5 miner threads started, using 'x16r' algorithm.
/root/xminer.sh: line 69: 16587 Illegal instruction $MINER_PATH $MINER_OPTIONS
Miner ended/crashed. Restarting miner in 10 seconds --------------