Hi Guido, i can confirmed this behavior and running libvirt with gdb shows:
Program received signal SIGSEGV, Segmentation fault [Switching to Thread 0xb15bab70 (LWP16482)] 0xb7ccce521 in rtnl_link_alloc_cache () from /usr/lib/i386-linux-gnu/libnl-route-3.so.200 Debian unstable with DU from today libvirt-bin from Debian experimental 1.0.1-3 0 -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected]

