安装devstack 的时候有个报错，请问什么意思

/bin/abrt-watch-log -F BUG: WARNING: at WARNING: CPU: INFO: possible recursive l
ocking detected ernel BUG at list_del corruption list_add corruption do_IRQ: sta
ck overflow: ear stack overflow (cur: eneral protection fault nable to handle ke
rnel ouble fault: RTNL: assertion failed eek! page_mapcount(page) went negative!
adness at NETDEV WATCHDOG ysctl table check failed : nobody cared IRQ handler t
ype mismatch Machine Check Exception: Machine check events logged divide error:
bounds: coprocessor segment overrun: invalid TSS: segment not present: invalid o
pcode: alignment check: stack segment: fpu exception: simd exception: iret excep
tion: /var/log/messages -- /usr/bin/abrt-dump-oops -xtD
root         1   529  0.0  0.1 295616  5232 ?        Ssl  00:50:37 00:00:00 /usr
/sbin/rsyslogd -n                                                         

应该跟devstack关系不是太大。可能是centos的一个bug
https://bugs.centos.org/view.php?id=7256

devstack真的不好弄