warm reboot finalizer service could wait for not enabled component for 5 minutes

[yxieca]

Description
With latest master / 202012 branch image. The warm reboot finalizer could wait for not enabled component to reconcile for 5 minutes.

Steps to reproduce the issue:

1. warm reboot

Describe the results you received:
warm reboot finalizer wait for

Jan 7 19:40:33.519985 str-7260cx3-acs-1 NOTICE root: WARMBOOT_FINALIZER : Tearing down control plane assistant ...
Jan 7 19:40:36.712066 str-7260cx3-acs-1 NOTICE root: WARMBOOT_FINALIZER : Save in-memory database after warm reboot ...
Jan 7 19:40:37.301030 str-7260cx3-acs-1 NOTICE root: WARMBOOT_FINALIZER : Some components didn't finish reconcile: natsyncd ...
Jan 7 19:40:37.302572 str-7260cx3-acs-1 NOTICE root: WARMBOOT_FINALIZER : Finalizing warmboot...

Describe the results you expected:

Additional information you deem important (e.g. issue happens only occasionally):

**Output of `show version`:**

```
latest master.
```

**Attach debug file `sudo generate_dump`:**

```

Jan 7 19:40:33.519985 str-7260cx3-acs-1 NOTICE root: WARMBOOT_FINALIZER : Tearing down control plane assistant ...
Jan 7 19:40:36.712066 str-7260cx3-acs-1 NOTICE root: WARMBOOT_FINALIZER : Save in-memory database after warm reboot ...
Jan 7 19:40:37.301030 str-7260cx3-acs-1 NOTICE root: WARMBOOT_FINALIZER : Some components didn't finish reconcile: natsyncd ...
Jan 7 19:40:37.302572 str-7260cx3-acs-1 NOTICE root: WARMBOOT_FINALIZER : Finalizing warmboot...
```

[shi-su]

Also noticed this issue in kvm warm reboot with latest images.

[lguohan]

this one is important. any clue? is this related to frr 7.5?