PHP Warning:? Unknown: Epoll MOD(1) on fd 25 failed. Old events were 6; read change was 0 (none); write change was 2 (del); close change was 0 (none): Bad file descriptor in Unknown on line 0
 PHP Warning:? Unknown: Epoll MOD(1) on fd 25 failed. Old events were 6; read change was 0 (none); write change was 2 (del); close change was 0 (none): Bad file descriptor in Unknown on line 0
 PHP Warning:? Unknown: Epoll MOD(1) on fd 23 failed. Old events were 6; read change was 0 (none); write change was 2 (del); close change was 0 (none): Bad file descriptor in Unknown on line 0

# php start.php status
Workerman status
---------------------------------------GLOBAL STATUS--------------------------------------------
Workerman version:3.4.4? ? ? ? ? PHP version:7.1.7
start time:2018-11-08 09:03:47? ?run 0 days 12 hours
load average: 0, 0, 0? ? ? ? ? ? event-loop:\Workerman\Events\Event

使用了redis . 是什么原因呢？
?