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Subject: Re: Creating/destroying bulk VLAN interfaces takes too long
To: =?UTF-8?Q?=c3=96zkan_KIRIK?= <ozkan.kirik@gmail.com>,
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30.08.2021 14:13, Özkan KIRIK wrote:

> Any suggestions?

1) Try stopping devd before test to see if it helps. devd runs LOTS of shell code upon interface creation.
2) Try "ifconfig em1 down" before test and "ifconfig em1 up" after.

Also, look at kernel logs with timestamps to see how much time it takes for kernel to respond on new vlan arrival.