Neagent

You didn’t answer how to restore wifi... I’ve just had same issue and cannot now get rid of this pop up and don’t have access to wifi any longer.

https://www.vpnunlimitedapp.com/blog/faster-secure-reliable-vpn-ikev2/

Quoted below :

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As a side note

Some of our users were curious about a new type of system notifications they have started receiving after this update.

For your information, this is an additional system check that occurs thanks to the advanced security levels of the IKEv2 protocol. Neagent is a service for establishing secure VPN connection. Upon connecting, it requests access to the KeyChain password management system to receive authorization data for VPN connection establishment. This is required so that the system can check if any profile data have been changed since the last time.

If you click Allow, the system will only save the password for the duration of a current session, and will request it again during reconnection. For your convenience, we recommend that you choose the Always Allow option. This way VPN Unlimited will remember your password and will not bother you with this notification again (until, of course, you decide to change the password).

I had the same system notification coming up, and I spent a good amount of time trying to figure it out. The only thing solve my problem was that I inputed the password I use for accessing or unlocking the keychain password management, which in my case was the password I use to log in my mac when I turn on my mac.

hope this helps