Sun Sep 9 19:06:51 2012 ROUTE default_gateway=10.0.0.1 Sun Sep 9 19:06:51 2012 TUN/TAP device tun0 opened Sun Sep 9 19:06:51 2012 TUN/TAP TX queue length set to 100 Sun Sep 9 19:06:51 2012 /sbin/ip link set dev tun0 up mtu 1500 Sun Sep 9 19:06:51 2012 Linux ip link set failed: could not execute external program Sun Sep 9 19:06:51 2012 Exiting from the openvpn.log simple symlink to /sbin/ip solves the problem
*** This bug has been marked as a duplicate of bug 407195 ***