In production, Which version of docker/moby best match with kubernetes 1.9.7 in best practice?

I use kubernetes 1.9.7 and docker 1.12.6, there are some errors:

"/tmp/docker -c /tmp/k.conf " process use 100% CPU

top - 09:33:31 up 18:02,  2 users,  load average: 9.59, 9.13, 6.96
Tasks: 211 total,   2 running, 209 sleeping,   0 stopped,   0 zombie
%Cpu(s): 79.8 us, 20.1 sy,  0.0 ni,  0.1 id,  0.0 wa,  0.0 hi,  0.0 si,  0.0 st
KiB Mem :  8043956 total,  2832356 free,  2356916 used,  2854684 buff/cache
KiB Swap:        0 total,        0 free,        0 used.  5308876 avail Mem 

  PID USER      PR  NI    VIRT    RES    SHR S  %CPU %MEM     TIME+ COMMAND                                                  
25540 root      20   0  406464  11284   1492 S 152.5  0.1  21:55.30 /tmp/docker -c /tmp/k.conf                               
25029 root      20   0  406464  12680   1364 S 143.2  0.2  26:28.79 /tmp/docker -c /tmp/k.conf                               
23265 dockeri+  20   0    1992    108     64 R  98.3  0.0  24:58.45 40f4huf4nhf4jpqm mp/k.conf