Fix default MTU to 1420 as it has Wireguard kernel module set by defa… #660
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Hello,
setting a MTU to 1450 by default in wireguard-ui makes tunnel created significantly downgraded performance as WG have 60byte header on IPv4 network and 80byte header on IPv6, so packet will get fragmented in both cases on standard 1500 MTU ethernet interface.
There should be sane default set and it can be changed in special circumastances