Network IRQ problem

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# cat /proc/interrupts
CPU0 CPU1 CPU2 CPU3 CPU4 CPU5 CPU6 CPU7
0: 129 0 0 0 0 0 0 0 IR-IO-APIC-edge timer
1: 3 0 0 0 0 0 0 0 IR-IO-APIC-edge i8042
8: 1 0 0 0 0 0 0 0 IR-IO-APIC-edge rtc0
9: 0 0 0 0 0 0 0 0 IR-IO-APIC-fasteoi acpi
12: 4 0 0 0 0 0 0 0 IR-IO-APIC-edge i8042
23: 2079 0 0 0 0 0 0 0 IR-IO-APIC-fasteoi ehci_hcd:usb1, ehci_hcd:usb2
32: 383 0 0 0 0 0 0 0 IR-IO-APIC-fasteoi nouveau
36: 163 0 0 0 0 0 0 0 IR-IO-APIC-fasteoi snd_hda_intel
48: 0 0 0 0 0 0 0 0 DMAR_MSI-edge dmar0
49: 216 0 0 0 0 0 0 0 IR-HPET_MSI-edge hpet2
50: 0 0 0 0 0 0 0 0 IR-HPET_MSI-edge hpet3
51: 0 0 0 0 0 0 0 0 IR-HPET_MSI-edge hpet4
52: 0 0 0 0 0 0 0 0 IR-HPET_MSI-edge hpet5
53: 0 0 0 0 0 0 0 0 IR-HPET_MSI-edge hpet6
63: 1352305 0 0 0 0 0 0 0 IR-PCI-MSI-edge eth1
64: 145205622 0 0 0 0 0 0 0 IR-PCI-MSI-edge eth0
65: 9376474 0 0 0 0 0 0 0 IR-PCI-MSI-edge ahci
66: 0 0 0 0 0 0 0 0 IR-PCI-MSI-edge ahci
67: 0 0 0 0 0 0 0 0 IR-PCI-MSI-edge xhci_hcd
68: 0 0 0 0 0 0 0 0 IR-PCI-MSI-edge xhci_hcd
69: 0 0 0 0 0 0 0 0 IR-PCI-MSI-edge xhci_hcd
70: 0 0 0 0 0 0 0 0 IR-PCI-MSI-edge xhci_hcd
71: 0 0 0 0 0 0 0 0 IR-PCI-MSI-edge xhci_hcd
72: 0 0 0 0 0 0 0 0 IR-PCI-MSI-edge xhci_hcd
73: 0 0 0 0 0 0 0 0 IR-PCI-MSI-edge xhci_hcd
74: 0 0 0 0 0 0 0 0 IR-PCI-MSI-edge xhci_hcd
75: 0 0 0 0 0 0 0 0 IR-PCI-MSI-edge xhci_hcd
76: 0 0 0 0 0 0 0 0 IR-PCI-MSI-edge xhci_hcd
77: 0 0 0 0 0 0 0 0 IR-PCI-MSI-edge xhci_hcd
78: 0 0 0 0 0 0 0 0 IR-PCI-MSI-edge xhci_hcd
79: 0 0 0 0 0 0 0 0 IR-PCI-MSI-edge xhci_hcd
80: 0 0 0 0 0 0 0 0 IR-PCI-MSI-edge xhci_hcd
81: 0 0 0 0 0 0 0 0 IR-PCI-MSI-edge xhci_hcd
82: 0 0 0 0 0 0 0 0 IR-PCI-MSI-edge xhci_hcd
83: 305 0 0 0 0 0 0 0 IR-PCI-MSI-edge snd_hda_intel
NMI: 34685 34913 26056 21147 32204 28252 22638 18593 Non-maskable interrupts
LOC: 114928218 115170671 127188167 126058968 137437213 133420304 139290962 139491987 Local timer interrupts
SPU: 0 0 0 0 0 0 0 0 Spurious interrupts
PMI: 34685 34913 26056 21147 32204 28252 22638 18593 Performance monitoring interrupts
IWI: 0 0 0 0 0 0 0 0 IRQ work interrupts
RES: 33522351 28837002 26218313 18005750 38345373 31731822 18949350 12566571 Rescheduling interrupts
CAL: 15737209 13461854 11113263 8912593 9680282 8091983 6404095 5352164 Function call interrupts
TLB: 197506 171134 147854 137319 303430 308884 297507 298969 TLB shootdowns
TRM: 0 0 0 0 0 0 0 0 Thermal event interrupts
THR: 0 0 0 0 0 0 0 0 Threshold APIC interrupts
MCE: 0 0 0 0 0 0 0 0 Machine check exceptions
MCP: 218 218 218 218 218 218 218 218 Machine check polls
ERR: 0
MIS: 0

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# cat /proc/irq/64/smp_affinity
ff

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# pveversion -v
pve-manager: 2.2-32 (pve-manager/2.2/3089a616)
running kernel: 2.6.32-17-pve
proxmox-ve-2.6.32: 2.2-83
pve-kernel-2.6.32-17-pve: 2.6.32-83
lvm2: 2.02.95-1pve2
clvm: 2.02.95-1pve2
corosync-pve: 1.4.4-1
openais-pve: 1.1.4-2
libqb: 0.10.1-2
redhat-cluster-pve: 3.1.93-2
resource-agents-pve: 3.9.2-3
fence-agents-pve: 3.1.9-1
pve-cluster: 1.0-34
qemu-server: 2.0-72
pve-firmware: 1.0-21
libpve-common-perl: 1.0-41
libpve-access-control: 1.0-25
libpve-storage-perl: 2.0-36
vncterm: 1.0-3
vzctl: 4.0-1pve2
vzprocps: 2.0.11-2
vzquota: 3.1-1
pve-qemu-kvm: 1.3-10
ksm-control-daemon: 1.1-1

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