grep avc /var/log/audit/audit.log | grep mysql
type=AVC msg=audit(1474427042.132:1541): avc: denied { setpgid } for pid=16896 comm="mysqld" scontext=system_u:system_r:mysqld_t:s0 tcontext=system_u:system_r:mysqld_t:s0 tclass=process
type=AVC msg=audit(1474427071.210:1545): avc: denied { setpgid } for pid=17015 comm="mysqld" scontext=system_u:system_r:mysqld_t:s0 tcontext=system_u:system_r:mysqld_t:s0 tclass=process
type=AVC msg=audit(1474427205.663:1549): avc: denied { setpgid } for pid=17366 comm="mysqld" scontext=system_u:system_r:mysqld_t:s0 tcontext=system_u:system_r:mysqld_t:s0 tclass=process