root@gcv:~/mptun# ./mptun -i tun0 -p 4567 -v 10.0.0.2 -t 10.0.0.1 -k my_pw ioctl(TUNSETIFF): Device or resource busy root@gcv:~/mptun# how to fix the issue?
root@gcv:
/mptun# ./mptun -i tun0 -p 4567 -v 10.0.0.2 -t 10.0.0.1 -k my_pw/mptun#ioctl(TUNSETIFF): Device or resource busy
root@gcv:
how to fix the issue?