can you post your vmid.conf ?
#pveversion -v for source && target host.
Oops, sorry, misunderstood the request. All three nodes should be the same:
VNB:
proxmox-ve: 4.3-70 (running kernel: 4.4.21-1-pve)
pve-manager: 4.3-7 (running version: 4.3-7/db02a4de)
pve-kernel-4.4.6-1-pve: 4.4.6-48
pve-kernel-4.4.21-1-pve: 4.4.21-70
pve-kernel-4.4.15-1-pve: 4.4.15-60
pve-kernel-4.4.16-1-pve: 4.4.16-64
pve-kernel-4.4.19-1-pve: 4.4.19-66
lvm2: 2.02.116-pve3
corosync-pve: 2.4.0-1
libqb0: 1.0-1
pve-cluster: 4.0-46
qemu-server: 4.0-92
pve-firmware: 1.1-10
libpve-common-perl: 4.0-76
libpve-access-control: 4.0-19
libpve-storage-perl: 4.0-67
pve-libspice-server1: 0.12.8-1
vncterm: 1.2-1
pve-docs: 4.3-12
pve-qemu-kvm: 2.7.0-3
pve-container: 1.0-78
pve-firewall: 2.0-31
pve-ha-manager: 1.0-35
ksm-control-daemon: 1.2-1
glusterfs-client: 3.8.4-1
lxc-pve: 2.0.5-1
lxcfs: 2.0.4-pve2
criu: 1.6.0-1
novnc-pve: 0.5-8
smartmontools: 6.5+svn4324-1~pve80
zfsutils: 0.6.5.8-pve11~bpo80
fence-agents-pve: not correctly installed
openvswitch-switch: 2.5.0-1
VNG:
proxmox-ve: 4.3-70 (running kernel: 4.4.21-1-pve)
pve-manager: 4.3-7 (running version: 4.3-7/db02a4de)
pve-kernel-4.4.21-1-pve: 4.4.21-70
pve-kernel-4.4.15-1-pve: 4.4.15-60
pve-kernel-4.4.16-1-pve: 4.4.16-64
pve-kernel-4.4.19-1-pve: 4.4.19-66
lvm2: 2.02.116-pve3
corosync-pve: 2.4.0-1
libqb0: 1.0-1
pve-cluster: 4.0-46
qemu-server: 4.0-92
pve-firmware: 1.1-10
libpve-common-perl: 4.0-76
libpve-access-control: 4.0-19
libpve-storage-perl: 4.0-67
pve-libspice-server1: 0.12.8-1
vncterm: 1.2-1
pve-docs: 4.3-12
pve-qemu-kvm: 2.7.0-3
pve-container: 1.0-78
pve-firewall: 2.0-31
pve-ha-manager: 1.0-35
ksm-control-daemon: 1.2-1
glusterfs-client: 3.8.4-1
lxc-pve: 2.0.5-1
lxcfs: 2.0.4-pve2
criu: 1.6.0-1
novnc-pve: 0.5-8
smartmontools: 6.5+svn4324-1~pve80
zfsutils: 0.6.5.8-pve11~bpo80
fence-agents-pve: not correctly installed
openvswitch-switch: 2.5.0-1
VNA:
proxmox-ve: 4.3-70 (running kernel: 4.4.21-1-pve)
pve-manager: 4.3-7 (running version: 4.3-7/db02a4de)
pve-kernel-4.4.6-1-pve: 4.4.6-48
pve-kernel-4.4.13-1-pve: 4.4.13-56
pve-kernel-4.2.6-1-pve: 4.2.6-36
pve-kernel-4.4.8-1-pve: 4.4.8-52
pve-kernel-4.4.13-2-pve: 4.4.13-58
pve-kernel-4.4.21-1-pve: 4.4.21-70
pve-kernel-4.4.15-1-pve: 4.4.15-60
pve-kernel-4.2.8-1-pve: 4.2.8-41
pve-kernel-4.4.16-1-pve: 4.4.16-64
pve-kernel-4.2.2-1-pve: 4.2.2-16
pve-kernel-4.4.19-1-pve: 4.4.19-66
pve-kernel-4.4.10-1-pve: 4.4.10-54
pve-kernel-4.2.3-2-pve: 4.2.3-22
lvm2: 2.02.116-pve3
corosync-pve: 2.4.0-1
libqb0: 1.0-1
pve-cluster: 4.0-46
qemu-server: 4.0-92
pve-firmware: 1.1-10
libpve-common-perl: 4.0-76
libpve-access-control: 4.0-19
libpve-storage-perl: 4.0-67
pve-libspice-server1: 0.12.8-1
vncterm: 1.2-1
pve-docs: 4.3-12
pve-qemu-kvm: 2.7.0-3
pve-container: 1.0-78
pve-firewall: 2.0-31
pve-ha-manager: 1.0-35
ksm-control-daemon: 1.2-1
glusterfs-client: 3.8.4-1
lxc-pve: 2.0.5-1
lxcfs: 2.0.4-pve2
criu: 1.6.0-1
novnc-pve: 0.5-8
smartmontools: 6.5+svn4324-1~pve80
zfsutils: 0.6.5.8-pve11~bpo80
openvswitch-switch: 2.5.0-1