I found work around and probably the reason. I noticed that iup -v -a hanged up at dhclient3-apparmor script, even that apparmor was disabled by chkconfig. After I removed the whole apparmor package the networking started to work again.
Why the script dhclient3-apparmor hanged, dunno. -- Bridged networking start hangup at boot after kernel upgrade (2.6.28-13-server) https://bugs.launchpad.net/bugs/396963 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
