Description of problem: leto:~# ip tunnel add foo mode gre local 1.1.1.1 remote 2.2.2.2 ioctl: No such device leto:~# modprobe ip_gre leto:~# ip tunnel add foo mode gre local 1.1.1.1 remote 2.2.2.2 leto:~# Version-Release number of selected component (if applicable): module-init-tools-3.3-0.pre1.4.17 How reproducible: Every time Additional info: Adding "alias gre0 ip_gre" to /etc/modprobe.conf fixes this. I can't think of a valid reason for it not to be there by default.
*** This bug has been marked as a duplicate of 229783 ***