ts-pod-cidrs wgengine.NewUserspaceEngine(tun "tailscale0") error: tstun.New("tailscale0"): operation not permitted · Issue #14256 · tailscale/tailscale
github.com
What is the issue? I'm using tailscale 1.76 in kubernetes environment. When I create subnet router configuration. I get this error in statefulset pod: tailscale 2024/12/01 11:51:00 wgengine.NewUser...

Due to a recent containerd 1.7.24 update, your /dev/net/tun:/dev/net/tun mapping needs to be moved from the volumes section to the devices section.

Don’t be like me and realize this AFTER you leave home for the holidays.

  • RxBrad@infosec.pubOPEnglish
    1·
    5 hours ago

    Luckily I realized that I could Cloudflare-tunnel my Portainer UI out to a long random-nonsense subdomain name.

    That allowed me to fix it (and then immediately kill the tunnel – not a fan of exposing Portainer to the internet).