fix: don't let SplitLogManager do anything if it's not the manager
#2690
| Job | Run time |
|---|---|
| 2s | |
| 3s | |
| 3m 13s | |
| 3m 1s | |
| 3m 12s | |
| 3m 3s | |
| 6m 55s | |
| 4m 27s | |
| 1m 12s | |
| 2m 57s | |
| 2m 4s | |
| 2m 45s | |
| 2m 14s | |
| 4m 37s | |
| 2m 0s | |
| 3m 19s | |
| 4m 17s | |
| 0s | |
| 1m 5s | |
| 0s | |
| 4s | |
| 50m 30s |