Network connectivity issues may arise on instances launched from official CentOs 6 or CentOS 7 OMIs (Outscale machine images).
To apply the official Outscale patch:
Download the patch in RPM format:
To apply the patch, run the following command in a terminal of your instance, using the name of the file you downloaded at Step 1:
$> rpm -ivh PATCH_FILE_NAME.rpm
To activate the patch, restart your network service.
The network connectivity on your instance is now restored.
Note: This action may take a few minutes to be effective.