To reproduce:
```
sudo modprobe mac80211_hwsim
```
```
set interfaces wireless wlan0
set interfaces wireless wlan0 physical-device phy0
set interfaces wireless wlan0 ssid VyOS-WIFI-0
set interfaces wireless wlan0 type station
set interfaces wireless wlan0 address 192.0.2.1/30
```
```
vyos@vyos# ip addr show dev wlan0
68: wlan0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state DOWN group default qlen 1000
link/ether 02:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff
inet 192.0.2.1/30 brd 192.0.2.3 scope global wlan0
valid_lft forever preferred_lft forever
```