Am 04.12.2018 um 21:30 schrieb Günther J. Niederwimmer: > Hello, > is this only my mistake,or can help any from the list? > > I have 3 host computer on different places, but all have the Problem when > starting a client "KVM" to connect to the bridge from the host. > > It is near not possible to start a client, only after 10-20 reboot/restart > from the client's the network is starting correct? Logs are the only source of truth. Without them everything is pure speculation. > Is this only on my computers or have other also this Problem? > > Is the bridge software is broken ? What does your system report in the relevant log files? > Can I use openvswitch to replace bridge Software? Sure you can. It takes a bit more effort to setup openvswitch. It can be worth it depending on your network design. > Any help are welcome ;-) First of all it would be necessary from your side to provide details about your setup. Running KVM with a bridge setup is not enough info. Get your config sorted and the logs. Alexander