Comment 3 for bug 1779341

Cant assign address to tap0 in Ubuntu 20.04 netplan 0.101-0ubuntu3~20.04.2

# cat /etc/systemd/network/90-tap0.netdev
[NetDev]
Name=tap0
Kind=tap

[Tap]
#Group=vhost-net
MultiQueue=yes
PacketInfo=yes

netplan config snippet:
# network: {config: disabled}
network:
    ethernets:
        tap0:
            addresses:
             - 10.255.254.1/24

    version: 2

# netplan apply
# ip addr show dev tap0
5: tap0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state DOWN group default qlen 1000
    link/ether 8e:9c:a6:1b:21:f1 brd ff:ff:ff:ff:ff:ff
    inet6 fe80::8c9c:a6ff:fe1b:21f1/64 scope link
       valid_lft forever preferred_lft forever