I guess I overlooked the interface naming conventions required by KVM. After disabling renaming of NIC (so the interface name will be eth0 and eth1), everything works.
Thanks. > On Aug 5, 2021, at 11:57 AM, SVI <jcapagc...@svi.com.ph> wrote: > > Hi, > > I followed setting up of KVM hosts on my ubuntu 20.04 and added it as in my > cloudstack cluster. I tried launching an instance but always gets this error > in the hypervisor: > > WARN [resource.wrapper.LibvirtStartCommandWrapper] > (agentRequest-Handler-2:null) (logid:3851fa03) InternalErrorException > com.cloud.exception.InternalErrorException: Failed to create vnet 225: Error: > argument "brenp129s0f1-225" is wrong: "name" not a valid ifnameCannot find > device "brenp129s0f1-225"Failed to create br: brenp129s0f1-225 > > Bridging seems ok based on the guide I followed. Here’s my > /etc/network/interfaces: > > auto lo > iface lo inet loopback > # The primary network interface > auto enp129s0f0 > iface enp129s0f0 inet manual > # The second network interface > auto enp129s0f1 > iface enp129s0f1 inet manual > # management network > auto cloudbr0 > iface cloudbr0 inet static > bridge_ports enp129s0f0 > bridge_fd 5 > bridge_stp off > bridge_maxwait 1 > address 192.168.1.120 > netmask 255.255.255.0 > gateway 192.168.1.1 > dns-nameservers 8.8.8.8 8.8.4.4 > dns-domain dev.cloudstack.io <http://dev.cloudstack.io/> > # guest network > auto cloudbr1 > iface cloudbr1 inet manual > bridge_ports enp129s0f1 > bridge_fd 5 > bridge_stp off > bridge_maxwait 1 > > Help is very much appreciated. > > Btw, this is almost the same configuration as my other 2 hypervisors and > everything works fine on the other 2. > > Here’s the ip a: > > 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group > default qlen 1000 > link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 > inet 127.0.0.1/8 scope host lo > valid_lft forever preferred_lft forever > inet6 ::1/128 scope host > valid_lft forever preferred_lft forever > 2: enp129s0f0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq master > cloudbr0 state UP group default qlen 1000 > link/ether ac:1f:6b:25:87:c2 brd ff:ff:ff:ff:ff:ff > 3: enp129s0f1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq master > cloudbr1 state UP group default qlen 1000 > link/ether ac:1f:6b:25:87:c3 brd ff:ff:ff:ff:ff:ff > 4: ens3: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default > qlen 1000 > link/ether 00:02:c9:54:3a:94 brd ff:ff:ff:ff:ff:ff > 5: cloudbr0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state > UP group default qlen 1000 > link/ether ac:1f:6b:25:87:c2 brd ff:ff:ff:ff:ff:ff > inet 192.168.1.120/24 brd 192.168.1.255 scope global cloudbr0 > valid_lft forever preferred_lft forever > inet6 fe80::ae1f:6bff:fe25:87c2/64 scope link > valid_lft forever preferred_lft forever > 6: cloudbr1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state > UP group default qlen 1000 > link/ether ac:1f:6b:25:87:c3 brd ff:ff:ff:ff:ff:ff > inet6 fe80::ae1f:6bff:fe25:87c3/64 scope link > valid_lft forever preferred_lft forever > 7: cloud0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state > UNKNOWN group default qlen 1000 > link/ether ae:18:19:bc:36:07 brd ff:ff:ff:ff:ff:ff > inet 169.254.0.1/16 scope global cloud0 > valid_lft forever preferred_lft forever > inet6 fe80::ac18:19ff:febc:3607/64 scope link > valid_lft forever preferred_lft forever > 8: enp129s0f1.225@enp129s0f1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 > qdisc noqueue state UP group default qlen 1000 > link/ether ac:1f:6b:25:87:c3 brd ff:ff:ff:ff:ff:ff > inet6 fe80::ae1f:6bff:fe25:87c3/64 scope link > valid_lft forever preferred_lft forever > > > > Thanks. >
