vyos@vyos:~$ sudo dmesg | grep cfg80211 [ 21.853757] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 22.119660] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 22.281225] cfg80211: failed to load regulatory.db vyos@vyos:~# find / -name regulatory.db
For more infos refer to https://wireless.wiki.kernel.org/en/developers/Regulatory