I have cluster of 3 almost identical nodes with ceph storage. From some poing it won't start new VMs with virtio network interfaces. If I change virtio to e1000 then all works fine.
On fail it prints this to host's dmesg:
Versions:
And this seems like a fix...
After installing i82599 10-gigabit adapter and setting
cat /etc/modprobe.d/intel.conf
options ixgbe max_vfs=63 LRO=0 FCoE=0
blacklist ixgbevf
server with pve 2.2 stopped booting (freezing at NFS statd starting). After some investigation I found that ip utility showed only first three interfaces...