docs: describe containerset retrystrategy and verify it works. Fixes: #11502 #21011
| Job | Run time |
|---|---|
| 9s | |
| 2m 34s | |
| 4m 7s | |
| 4m 11s | |
| 4m 54s | |
| 0s | |
| 8m 14s | |
| 1s | |
| 7m 30s | |
| 1s | |
| 6m 57s | |
| 10m 10s | |
| 12s | |
| 5m 12s | |
| 1s | |
| 1s | |
| 1s | |
| 2s | |
| 5m 10s | |
| 1s | |
| 1s | |
| 59m 29s |
| Job | Run time |
|---|---|
| 9s | |
| 2m 34s | |
| 4m 7s | |
| 4m 11s | |
| 4m 54s | |
| 0s | |
| 8m 14s | |
| 1s | |
| 7m 30s | |
| 1s | |
| 6m 57s | |
| 10m 10s | |
| 12s | |
| 5m 12s | |
| 1s | |
| 1s | |
| 1s | |
| 2s | |
| 5m 10s | |
| 1s | |
| 1s | |
| 59m 29s |