SocketError - getaddrinfo: Temporary failure in name resolution

I has installed gitlab, but in my log (/var/log/gitlab/gitlab-monitor/current) show this error:

2019-05-17_19:03:28.95299 /opt/gitlab/embedded/lib/ruby/2.3.0/webrick/server.rb:296:in block in start_thread' 2019-05-17_19:03:29.00141 ::1 - - [17/May/2019:16:03:28 -03] "GET /sidekiq HTTP/1.1" 500 215801 2019-05-17_19:03:29.00145 - -> /sidekiq 2019-05-17_19:03:31.00679 ::1 - - [17/May/2019:16:03:30 -03] "GET /database HTTP/1.1" 200 408 2019-05-17_19:03:31.00682 - -> /database 2019-05-17_19:03:33.18248 ::1 - - [17/May/2019:16:03:33 -03] "GET /process HTTP/1.1" 200 2269 2019-05-17_19:03:33.18252 - -> /process 2019-05-17_19:03:46.00757 ::1 - - [17/May/2019:16:03:45 -03] "GET /database HTTP/1.1" 200 408 2019-05-17_19:03:46.00762 - -> /database 2019-05-17_19:03:48.18256 ::1 - - [17/May/2019:16:03:48 -03] "GET /process HTTP/1.1" 200 2269 2019-05-17_19:03:48.18259 - -> /process 2019-05-17_19:03:48.95979 2019-05-17 16:03:48 - SocketError - getaddrinfo: Temporary failure in name resolution: 2019-05-17_19:03:48.95983 /opt/gitlab/embedded/lib/ruby/gems/2.3.0/gems/redis-3.3.5/lib/redis/connection/ruby.rb:229:in getaddrinfo’
2019-05-17_19:03:48.95983 /opt/gitlab/embedded/lib/ruby/gems/2.3.0/gems/redis-3.3.5/lib/redis/connection/ruby.rb:229:in connect' 2019-05-17_19:03:48.95984 /opt/gitlab/embedded/lib/ruby/gems/2.3.0/gems/redis-3.3.5/lib/redis/connection/ruby.rb:313:in connect’

Could someone help me?