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Zhengtong,
Thanks for the confirmation in comment 3. Closing as a duplicate of bug 1371419.
*** This bug has been marked as a duplicate of bug 1371419 ***
Description of problem: In RHEL6.8 guest. spapr-vlan nic device can't be added to bonding team Version-Release number of selected component (if applicable): Host: 3.10.0-496.el7.ppc64le qemu-kvm-rhev-2.6.0-22.el7 Guest kernel:2.6.32-642.6.1.el6.ppc64 How reproducible: 2/2 Steps to Reproduce: 1.Boot up guest with spapr-vlan device: # /usr/libexec/qemu-kvm \ -name 'avocado-vt-vm1' \ -sandbox off \ -machine pseries \ -nodefaults \ -vga std \ -device pci-ohci,id=usb1,bus=pci.0,addr=03 \ -chardev socket,id=console0,path=/tmp/test,server,nowait \ -device spapr-vty,chardev=console0 \ -device virtio-scsi-pci,id=virtio_scsi_pci0,bus=pci.0,addr=04 \ -drive id=drive_image1,if=none,snapshot=off,aio=native,cache=none,format=qcow2,file=/home/RHEL-Server-6.8-ppc64-virtio-scsi.qcow2 \ -device scsi-hd,id=image1,drive=drive_image1 \ -device spapr-vlan,mac=9a:e9:ea:eb:ec:ed,id=net0,netdev=hostnet0 \ -netdev tap,id=hostnet0,script=/etc/qemu-ifup,downscript=/etc/qemu-ifdown \ -m 8192 \ -smp 8,maxcpus=8,cores=4,threads=1,sockets=2 \ -device usb-tablet,id=usb-tablet1,bus=usb1.0,port=1 \ -device usb-kbd \ -device usb-mouse \ -vnc :0 \ -rtc base=utc,clock=host \ -boot order=cdn,once=c,menu=off,strict=off \ -enable-kvm \ -monitor stdio 2.After guest boot up. In guest . load binding module and add nic device to bond0 #modprobe binding #ifconfig bond0 up #ifenslave bond0 eth0 3.Check the result Actual results(copied from serial output): [root@localhost ~]# modprobe binding modprobe binding FATAL: Module binding not found. [root@localhost ~]# modprobe bonding modprobe bonding Ethernet Channel Bonding Driver: v3.7.1 (April 27, 2011) [root@localhost ~]# ifconfig eth0 up ifconfig eth0 up [root@localhost ~]# ifconfig bond0 up ifconfig bond0 up ADDRCONF(NETDEV_UP): bond0: link is not ready 8021q: adding VLAN 0 to HW filter on device bond0 [root@localhost ~]# ifenslave bond0 eth0 ifenslave bond0 eth0 ibmveth 71000002: eth0: h_change_logical_lan_mac failed with rc=-2 ibmveth 71000002: eth0: h_change_logical_lan_mac failed with rc=-2 Master 'bond0', Slave 'eth0': Error: Enslave failed Expected results: no errors , and the device can be add the bond0 Additional info: Works well with virtio-net Works well with spapr-vlan on RHEL7.3 guest.