> hello Greg, > > thanks for the answer, now I am not so alone ;-) > > this Problem with the third NIC in a KVM Client is from Update to Update > stronger. I mean on start the Installation "CentOS 7.0" we don't have this > Problem! > > > without NetworkManager is run, on my system, I can't start the third > Network- > Card, I have always a LSB Error on the KVM-Clients ?? > > So now I found a workaround for my Problem :-(. (What are changed in the > Network Configuration) > > I set up the first and second NIC to "hostdev" (hardware) this is running > also > before the update and set “NM_CONTROLLED=no” to this NIC's. > > The third is a Bridge controlled Interface now is running with > NetworkManager > as a static Interface with "PEERDNS=no" so I have my resolv.conf is not > always > change and NetworkManager don't create a new Interface with a DHCP config > ?? To disable the fiddling of the tools with your /etc/resolv.conf, you can add this to disable it. Works for the init scripts and NetworkManager: RESOLV_MODS="no" Regards, Simon