I have the same issue too, but cannot confirm it's related to the interface being down:
# ifconfig wlan0 down; ip token set ::2 dev wlan0; ifconfig wlan0 up RTNETLINK answers: Invalid argument -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1777010 Title: ip token set, results in: Invalid argument To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/iproute2/+bug/1777010/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
