Problem with network, on ubuntu 18.04, 20.04

[REZANANS]

Hello, me have issue on ubuntu 18.04>
On debian 10 network work fine

Me cant use network, ping is unreachable

Configuration file proxmox are fine (Because Debian 10 work), DC: Hetzner

ip add(r)

netplan configuration

LOG
- issue

 

[REZANANS]

If need more info, reply to post! Me give all what need