Yeah, "predictable" interface names, one of the more stupid moves done recently....
On Thu, 5 Aug 2021 at 07:40, SVI <jcapagc...@svi.com.ph> wrote: > 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. > > > > -- Andrija Panić
