GitHub user weizhouapache added a comment to the discussion: Degraded 
cloudstack agent

I tested 50 vms deployment on ol9 and u24, it seems the issue is with ubuntu 24

```
for i in `seq 1 50`;do
    cmk deploy virtualmachine name=L2-wei-test-$i serviceofferingid=xxx 
zoneid=xxx templateid=xxx networkids=xxx & >/dev/null;
    sleep 2;
done
```

- ol9 works without issue


ol9, ACS 4.20.2.0
```
Compiled against library: libvirt 10.10.0
Using library: libvirt 10.10.0
Using API: QEMU 10.10.0
Running hypervisor: QEMU 9.1.0
```

vm creation time:
```
mysql> select id,name,created,update_time,(update_time-created) from 
vm_instance where removed is null and name like "L2-wei%";
+-----+----------------+---------------------+---------------------+-----------------------+
| id  | name           | created             | update_time         | 
(update_time-created) |
+-----+----------------+---------------------+---------------------+-----------------------+
| 496 | L2-wei-test-1  | 2025-11-24 09:56:59 | 2025-11-24 09:57:05 |            
        46 |
| 497 | L2-wei-test-2  | 2025-11-24 09:57:01 | 2025-11-24 09:57:07 |            
         6 |
| 498 | L2-wei-test-3  | 2025-11-24 09:57:03 | 2025-11-24 09:57:12 |            
         9 |
| 499 | L2-wei-test-4  | 2025-11-24 09:57:05 | 2025-11-24 09:57:10 |            
         5 |
| 500 | L2-wei-test-5  | 2025-11-24 09:57:07 | 2025-11-24 09:57:13 |            
         6 |
| 501 | L2-wei-test-6  | 2025-11-24 09:57:09 | 2025-11-24 09:57:14 |            
         5 |
| 502 | L2-wei-test-7  | 2025-11-24 09:57:11 | 2025-11-24 09:57:23 |            
        12 |
| 503 | L2-wei-test-8  | 2025-11-24 09:57:13 | 2025-11-24 09:57:21 |            
         8 |
| 504 | L2-wei-test-9  | 2025-11-24 09:57:15 | 2025-11-24 09:57:40 |            
        25 |
| 505 | L2-wei-test-10 | 2025-11-24 09:57:17 | 2025-11-24 09:57:29 |            
        12 |
| 506 | L2-wei-test-11 | 2025-11-24 09:57:19 | 2025-11-24 09:57:24 |            
         5 |
| 507 | L2-wei-test-12 | 2025-11-24 09:57:21 | 2025-11-24 09:57:45 |            
        24 |
| 508 | L2-wei-test-13 | 2025-11-24 09:57:23 | 2025-11-24 09:57:31 |            
         8 |
| 509 | L2-wei-test-14 | 2025-11-24 09:57:25 | 2025-11-24 09:57:39 |            
        14 |
| 510 | L2-wei-test-15 | 2025-11-24 09:57:27 | 2025-11-24 09:58:11 |            
        84 |
| 511 | L2-wei-test-16 | 2025-11-24 09:57:29 | 2025-11-24 09:57:35 |            
         6 |
| 512 | L2-wei-test-17 | 2025-11-24 09:57:31 | 2025-11-24 09:57:38 |            
         7 |
| 513 | L2-wei-test-18 | 2025-11-24 09:57:33 | 2025-11-24 09:57:40 |            
         7 |
| 514 | L2-wei-test-19 | 2025-11-24 09:57:35 | 2025-11-24 09:57:54 |            
        19 |
| 515 | L2-wei-test-20 | 2025-11-24 09:57:37 | 2025-11-24 09:57:46 |            
         9 |
| 516 | L2-wei-test-21 | 2025-11-24 09:57:39 | 2025-11-24 09:57:48 |            
         9 |
| 517 | L2-wei-test-22 | 2025-11-24 09:57:41 | 2025-11-24 09:57:53 |            
        12 |
| 518 | L2-wei-test-23 | 2025-11-24 09:57:43 | 2025-11-24 09:57:48 |            
         5 |
| 519 | L2-wei-test-24 | 2025-11-24 09:57:45 | 2025-11-24 09:58:14 |            
        69 |
| 520 | L2-wei-test-25 | 2025-11-24 09:57:47 | 2025-11-24 09:57:54 |            
         7 |
| 521 | L2-wei-test-26 | 2025-11-24 09:57:49 | 2025-11-24 09:58:14 |            
        65 |
| 522 | L2-wei-test-27 | 2025-11-24 09:57:51 | 2025-11-24 09:58:05 |            
        54 |
| 523 | L2-wei-test-28 | 2025-11-24 09:57:53 | 2025-11-24 09:58:02 |            
        49 |
| 524 | L2-wei-test-29 | 2025-11-24 09:57:55 | 2025-11-24 09:58:25 |            
        70 |
| 525 | L2-wei-test-30 | 2025-11-24 09:57:57 | 2025-11-24 09:58:03 |            
        46 |
| 526 | L2-wei-test-31 | 2025-11-24 09:57:59 | 2025-11-24 09:58:13 |            
        54 |
| 527 | L2-wei-test-32 | 2025-11-24 09:58:01 | 2025-11-24 09:58:07 |            
         6 |
| 528 | L2-wei-test-33 | 2025-11-24 09:58:03 | 2025-11-24 09:58:13 |            
        10 |
| 529 | L2-wei-test-34 | 2025-11-24 09:58:05 | 2025-11-24 09:58:31 |            
        26 |
| 530 | L2-wei-test-35 | 2025-11-24 09:58:07 | 2025-11-24 09:58:17 |            
        10 |
| 531 | L2-wei-test-36 | 2025-11-24 09:58:09 | 2025-11-24 09:58:24 |            
        15 |
| 532 | L2-wei-test-37 | 2025-11-24 09:58:11 | 2025-11-24 09:58:53 |            
        42 |
| 533 | L2-wei-test-38 | 2025-11-24 09:58:13 | 2025-11-24 09:58:37 |            
        24 |
| 534 | L2-wei-test-39 | 2025-11-24 09:58:15 | 2025-11-24 09:58:23 |            
         8 |
| 535 | L2-wei-test-40 | 2025-11-24 09:58:17 | 2025-11-24 09:58:42 |            
        25 |
| 536 | L2-wei-test-41 | 2025-11-24 09:58:19 | 2025-11-24 09:58:28 |            
         9 |
| 537 | L2-wei-test-42 | 2025-11-24 09:58:21 | 2025-11-24 09:58:32 |            
        11 |
| 538 | L2-wei-test-43 | 2025-11-24 09:58:23 | 2025-11-24 09:58:51 |            
        28 |
| 539 | L2-wei-test-44 | 2025-11-24 09:58:25 | 2025-11-24 09:58:32 |            
         7 |
| 540 | L2-wei-test-45 | 2025-11-24 09:58:27 | 2025-11-24 09:58:39 |            
        12 |
| 541 | L2-wei-test-46 | 2025-11-24 09:58:29 | 2025-11-24 09:58:53 |            
        24 |
| 542 | L2-wei-test-47 | 2025-11-24 09:58:31 | 2025-11-24 09:58:43 |            
        12 |
| 543 | L2-wei-test-48 | 2025-11-24 09:58:33 | 2025-11-24 09:58:54 |            
        21 |
| 544 | L2-wei-test-49 | 2025-11-24 09:58:35 | 2025-11-24 09:59:13 |            
        78 |
| 545 | L2-wei-test-50 | 2025-11-24 09:58:37 | 2025-11-24 09:58:46 |            
         9 |
+-----+----------------+---------------------+---------------------+-----------------------+
50 rows in set (0.00 sec)
```

- ubuntu 24: 

```
Compiled against library: libvirt 10.0.0
Using library: libvirt 10.0.0
Using API: QEMU 10.0.0
Running hypervisor: QEMU 8.2.2
```

vm creation time:
```
mysql> select id,name,created,update_time,(update_time-created) from 
vm_instance where removed is null and name like "L2-wei%";
+----+----------------+---------------------+---------------------+-----------------------+
| id | name           | created             | update_time         | 
(update_time-created) |
+----+----------------+---------------------+---------------------+-----------------------+
|  6 | L2-wei-test-1  | 2025-11-24 10:01:40 | 2025-11-24 10:06:12 |             
      472 |
|  7 | L2-wei-test-2  | 2025-11-24 10:01:42 | 2025-11-24 10:07:41 |             
      599 |
|  8 | L2-wei-test-3  | 2025-11-24 10:01:44 | 2025-11-24 10:28:54 |             
     2710 |
|  9 | L2-wei-test-4  | 2025-11-24 10:01:46 | 2025-11-24 10:16:49 |             
     1503 |
| 10 | L2-wei-test-5  | 2025-11-24 10:01:48 | 2025-11-24 10:17:09 |             
     1561 |
| 11 | L2-wei-test-6  | 2025-11-24 10:01:50 | 2025-11-24 10:01:50 |             
        0 |
| 12 | L2-wei-test-7  | 2025-11-24 10:01:52 | 2025-11-24 10:11:00 |             
      948 |
| 13 | L2-wei-test-8  | 2025-11-24 10:01:54 | 2025-11-24 10:22:26 |             
     2072 |
| 14 | L2-wei-test-9  | 2025-11-24 10:01:56 | 2025-11-24 10:14:17 |             
     1261 |
| 15 | L2-wei-test-10 | 2025-11-24 10:01:58 | 2025-11-24 10:10:10 |             
      852 |
| 16 | L2-wei-test-11 | 2025-11-24 10:02:00 | 2025-11-24 10:17:10 |             
     1510 |
| 17 | L2-wei-test-12 | 2025-11-24 10:02:02 | 2025-11-24 10:30:18 |             
     2816 |
| 18 | L2-wei-test-13 | 2025-11-24 10:02:04 | 2025-11-24 10:09:12 |             
      708 |
| 19 | L2-wei-test-14 | 2025-11-24 10:02:06 | 2025-11-24 10:17:14 |             
     1508 |
| 20 | L2-wei-test-15 | 2025-11-24 10:02:08 | 2025-11-24 10:12:20 |             
     1012 |
| 21 | L2-wei-test-16 | 2025-11-24 10:02:10 | 2025-11-24 10:29:40 |             
     2730 |
| 22 | L2-wei-test-17 | 2025-11-24 10:02:12 | 2025-11-24 10:08:56 |             
      644 |
| 23 | L2-wei-test-18 | 2025-11-24 10:02:14 | 2025-11-24 10:17:19 |             
     1505 |
| 24 | L2-wei-test-19 | 2025-11-24 10:02:16 | 2025-11-24 10:17:21 |             
     1505 |
| 25 | L2-wei-test-20 | 2025-11-24 10:02:18 | 2025-11-24 10:14:46 |             
     1228 |
| 26 | L2-wei-test-21 | 2025-11-24 10:02:20 | 2025-11-24 10:24:09 |             
     2189 |
| 27 | L2-wei-test-22 | 2025-11-24 10:02:22 | 2025-11-24 10:29:35 |             
     2713 |
| 28 | L2-wei-test-23 | 2025-11-24 10:02:24 | 2025-11-24 10:03:07 |             
       83 |
| 29 | L2-wei-test-24 | 2025-11-24 10:02:26 | 2025-11-24 10:24:04 |             
     2178 |
| 30 | L2-wei-test-25 | 2025-11-24 10:02:28 | 2025-11-24 10:25:35 |             
     2307 |
| 31 | L2-wei-test-26 | 2025-11-24 10:02:30 | 2025-11-24 10:03:17 |             
       87 |
| 32 | L2-wei-test-27 | 2025-11-24 10:02:32 | 2025-11-24 10:24:47 |             
     2215 |
| 33 | L2-wei-test-28 | 2025-11-24 10:02:34 | 2025-11-24 10:17:40 |             
     1506 |
| 34 | L2-wei-test-29 | 2025-11-24 10:02:36 | 2025-11-24 10:30:23 |             
     2787 |
| 35 | L2-wei-test-30 | 2025-11-24 10:02:38 | 2025-11-24 10:02:46 |             
        8 |
| 36 | L2-wei-test-31 | 2025-11-24 10:02:40 | 2025-11-24 10:30:32 |             
     2792 |
| 37 | L2-wei-test-32 | 2025-11-24 10:02:42 | 2025-11-24 10:30:19 |             
     2777 |
| 38 | L2-wei-test-33 | 2025-11-24 10:02:44 | 2025-11-24 10:18:11 |             
     1567 |
| 39 | L2-wei-test-34 | 2025-11-24 10:02:46 | 2025-11-24 10:03:37 |             
       91 |
| 40 | L2-wei-test-35 | 2025-11-24 10:02:48 | 2025-11-24 10:17:56 |             
     1508 |
| 41 | L2-wei-test-36 | 2025-11-24 10:02:50 | 2025-11-24 10:29:49 |             
     2699 |
| 42 | L2-wei-test-37 | 2025-11-24 10:02:52 | 2025-11-24 10:30:04 |             
     2752 |
| 43 | L2-wei-test-38 | 2025-11-24 10:02:54 | 2025-11-24 10:10:06 |             
      752 |
| 44 | L2-wei-test-39 | 2025-11-24 10:02:56 | 2025-11-24 10:18:07 |             
     1551 |
| 45 | L2-wei-test-40 | 2025-11-24 10:02:58 | 2025-11-24 10:11:43 |             
      885 |
| 46 | L2-wei-test-41 | 2025-11-24 10:03:00 | 2025-11-24 10:03:49 |             
       49 |
| 47 | L2-wei-test-42 | 2025-11-24 10:03:02 | 2025-11-24 10:30:35 |             
     2733 |
| 48 | L2-wei-test-43 | 2025-11-24 10:03:04 | 2025-11-24 10:30:01 |             
     2697 |
| 49 | L2-wei-test-44 | 2025-11-24 10:03:06 | 2025-11-24 10:10:55 |             
      749 |
| 50 | L2-wei-test-45 | 2025-11-24 10:03:08 | 2025-11-24 10:12:58 |             
      950 |
| 51 | L2-wei-test-46 | 2025-11-24 10:03:10 | 2025-11-24 10:14:49 |             
     1139 |
| 52 | L2-wei-test-47 | 2025-11-24 10:03:12 | 2025-11-24 10:30:35 |             
     2723 |
| 53 | L2-wei-test-48 | 2025-11-24 10:03:14 | 2025-11-24 10:30:28 |             
     2714 |
| 54 | L2-wei-test-49 | 2025-11-24 10:03:16 | 2025-11-24 10:29:43 |             
     2627 |
| 55 | L2-wei-test-50 | 2025-11-24 10:03:18 | 2025-11-24 10:26:58 |             
     2340 |
+----+----------------+---------------------+---------------------+-----------------------+
50 rows in set (0.00 sec)
```

GitHub link: 
https://github.com/apache/cloudstack/discussions/12450#discussioncomment-15515832

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