> Source: [sk159792](https://support.checkpoint.com/results/sk/sk159792)

# sk159792 - "kernel: [SIM4]; drv_if_prepare_interface_data: dev vsid [vsid1] is different from config vsid [vsid2] for [interface name]" log in VSX Gateway's /var/log/messages

| Property | Value |
|----------|-------|
| Solution ID | sk159792 |
| Date Created | 2019-08-05 |
| Last Modified | 2021-05-05 |
| Technical Level | Advanced |
| Products | Security Gateway |
| Versions | R82.10, R82, R81.20 |
| OS | Gaia |

## Symptoms

- * The messages:` "kernel: [SIM4]; drv_if_prepare_interface_data: dev vsid (<vsid1>) is different from config vsid (<vsid2>) for <interface name>"` appear on a VSX Gateway's /var/log/messages file.
* Aside from these messages there is no impact and/or any other issue occurring on the machine(s) in question.

## Solution

This solution requires authentication. Please log in to view the full solution.

---

# Agent Instructions

This content is from the Check Point Support Center (https://support.checkpoint.com), the official knowledge base for Check Point cybersecurity products.

## Navigating This Knowledge Base

- **Complete index**: [llms.txt](https://support.checkpoint.com/llms.txt)
- **All SK articles**: [SecureKnowledge Sitemap](https://support.checkpoint.com/sitemaps/secureknowledge-sitemap-index.xml)
- **SK article URL pattern**: `https://support.checkpoint.com/results/sk/{skId}`
- **Markdown responses**: AI bot User-Agents automatically receive `text/markdown` content
