Comment 3 for bug 1917645

HI

Is there a workaround for this bug. we got a cloud that nova stuck at

2021-07-28 02:27:05.175 51611 ERROR oslo.messaging._drivers.impl_rabbit [req-e9fee75b-eceb-4bdb-93f9-20cbc9a3483e - - - - -] Connection failed: [Errno 113] EHOSTUNREACH (retrying in 0 seconds): OSError: [Errno 113] EHOSTUNREACH
2021-07-28 02:27:06.487 51611 ERROR oslo.messaging._drivers.impl_rabbit [req-e9fee75b-eceb-4bdb-93f9-20cbc9a3483e - - - - -] Connection failed: [Errno 113] EHOSTUNREACH (retrying in 32.0 seconds): OSError: [Errno 113] EHOSTUNREACH
2021-07-28 02:27:38.967 51611 ERROR oslo.messaging._drivers.impl_rabbit [req-e9fee75b-eceb-4bdb-93f9-20cbc9a3483e - - - - -] Connection failed: [Errno 113] EHOSTUNREACH (retrying in 0 seconds): OSError: [Errno 113] EHOSTUNREACH
2021-07-28 02:27:42.039 51611 ERROR oslo.messaging._drivers.impl_rabbit [req-e9fee75b-eceb-4bdb-93f9-20cbc9a3483e - - - - -] Connection failed: [Errno 113] EHOSTUNREACH (retrying in 0 seconds): OSError: [Errno 113] EHOSTUNREACH
2021-07-28 02:27:43.351 51611 ERROR oslo.messaging._drivers.impl_rabbit [req-e9fee75b-eceb-4bdb-93f9-20cbc9a3483e - - - - -] Connection failed: [Errno 113] EHOSTUNREACH (retrying in 32.0 seconds): OSError: [Errno 113] EHOSTUNREACH
2021-07-28 02:28:17.143 51611 ERROR oslo.messaging._drivers.impl_rabbit [req-e9fee75b-eceb-4bdb-93f9-20cbc9a3483e - - - - -] Connection failed: [Errno 113] EHOSTUNREACH (retrying in 0 seconds): OSError: [Errno 113] EHOSTUNREACH
2021-07-28 02:28:18.903 51611 ERROR oslo.messaging._drivers.impl_rabbit [req-e9fee75b-eceb-4bdb-93f9-20cbc9a3483e - - - - -] Connection failed: [Errno 113] EHOSTUNREACH (retrying in 0 seconds): OSError: [Errno 113] EHOSTUNREACH
2021-07-28 02:28:20.215 51611 ERROR oslo.messaging._drivers.impl_rabbit [req-e9fee75b-eceb-4bdb-93f9-20cbc9a3483e - - - - -] Connection failed: [Errno 113] EHOSTUNREACH (retrying in 32.0 seconds): OSError: [Errno 113] EHOSTUNREACH
2021-07-28 02:28:25.327 23270 INFO os_vif [-] Loaded VIF plugins: linux_bridge, noop, ovs
2021-07-28 02:28:29.431 23270 ERROR oslo.messaging._drivers.impl_rabbit [req-7f4949cf-f36c-427c-955b-0ce7f14a2b83 - - - - -] Connection failed: [Errno 113] EHOSTUNREACH (retrying in 0 seconds): OSError: [Errno 113] EHOSTUNREACH

We tried to restart nova services and rabbitmq service but didn't help.