diff --git a/0001-Allow-network-interface-to-be-configured.patch b/0001-Allow-network-interface-to-be-configured.patch
new file mode 100644
index 0000000..bf55230
--- /dev/null
+++ b/0001-Allow-network-interface-to-be-configured.patch
@@ -0,0 +1,53 @@
+From b5b87cdb764dc757295316878a7fd6e2ff01bec4 Mon Sep 17 00:00:00 2001
+From: Richard Jones <rjones@trick.home.annexia.org>
+Date: Fri, 7 Aug 2009 09:31:35 +0100
+Subject: [PATCH] Allow network interface to be configured.
+
+Add ./configure --with-net-if=(virtio|ne2k_pci) option.
+
+This lets you workaround the following virtio_net bug:
+
+https://bugzilla.redhat.com/show_bug.cgi?id=516022
+---
+ configure.ac  |   11 +++++++++++
+ src/guestfs.c |    2 +-
+ 2 files changed, 12 insertions(+), 1 deletions(-)
+
+diff --git a/configure.ac b/configure.ac
+index f6f1735..cf0591d 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -138,6 +138,17 @@ AC_ARG_WITH([drive-if],
+         [with_drive_if=ide])
+ AC_DEFINE_UNQUOTED([DRIVE_IF],["$with_drive_if"],[Default drive interface.])
+ 
++dnl Set interface used by the network.  Normally you should
++dnl leave this at the default (virtio) but you can use the
++dnl alternative (ne2k_pci) because of bugs in virtio networking
++dnl eg. https://bugzilla.redhat.com/show_bug.cgi?id=516022
++AC_ARG_WITH([net-if],
++        [AS_HELP_STRING([--with-net-if],
++          [set default net driver (virtio|ne2k_pci) @<:@default=virtio@:>@])],
++        [],
++        [with_net_if=virtio])
++AC_DEFINE_UNQUOTED([NET_IF],["$with_net_if"],[Default network interface.])
++
+ dnl Check for febootstrap etc.
+ AC_CHECK_PROG([FEBOOTSTRAP],
+         [febootstrap],[febootstrap],[no])
+diff --git a/src/guestfs.c b/src/guestfs.c
+index de63275..186c570 100644
+--- a/src/guestfs.c
++++ b/src/guestfs.c
+@@ -1103,7 +1103,7 @@ guestfs_launch (guestfs_h *g)
+     }
+ #endif
+     add_cmdline (g, "-net");
+-    add_cmdline (g, "nic,model=virtio,vlan=0"); /* model=ne2k_pci also works */
++    add_cmdline (g, "nic,model=" NET_IF ",vlan=0");
+ 
+     /* These options recommended by KVM developers to improve reliability. */
+     if (qemu_supports (g, "-no-hpet"))
+-- 
+1.6.2.5
+
diff --git a/libguestfs.spec b/libguestfs.spec
index e640660..172b1cb 100644
--- a/libguestfs.spec
+++ b/libguestfs.spec
@@ -5,13 +5,15 @@ Summary:     Access and modify virtual machine disk images
 Name:        libguestfs
 Epoch:       1
 Version:     1.0.66
-Release:     1%{?dist}
+Release:     2%{?dist}
 License:     LGPLv2+
 Group:       Development/Libraries
 URL:         http://libguestfs.org/
 Source0:     http://libguestfs.org/download/%{name}-%{version}.tar.gz
 BuildRoot:   %{_tmppath}/%{name}-%{version}-%{release}-root
 
+Patch0:      0001-Allow-network-interface-to-be-configured.patch
+
 # Basic build requirements:
 BuildRequires: /usr/bin/pod2man
 BuildRequires: /usr/bin/pod2text
@@ -292,6 +294,8 @@ Requires:    jpackage-utils
 
 mkdir -p daemon/m4
 
+%patch0 -p1
+
 
 %build
 %if %{buildnonet}
@@ -303,12 +307,14 @@ createrepo repo
 %define extra %nil
 %endif
 
+# --with-net-if=ne2k_pci is a workaround for RHBZ#516022.
 ./configure \
   --prefix=%{_prefix} --libdir=%{_libdir} \
   --mandir=%{_mandir} \
   --with-qemu="qemu-kvm qemu-system-%{_build_arch} qemu" \
   --enable-debug-command \
   --enable-supermin \
+  --with-net-if=ne2k_pci \
   %{extra}
 
 # This ensures that /usr/sbin/chroot is on the path.  Not needed
@@ -340,11 +346,12 @@ export LIBGUESTFS_DEBUG=1
 # 507066   all          F-12   sequence of chroot calls (FIXED)
 # 513249   all          F-12   guestfwd broken in qemu (FIXED)
 # 516022   all          F-12   virtio-net gives "Network is unreachable" errors
+#                                 (WORKAROUND ENABLED)
 # 516096   ?            F-11   race condition in swapoff/blockdev --rereadpt
 
-#%ifarch x86_64
-#make check
-#%endif
+%ifarch x86_64
+make check
+%endif
 
 
 %install
@@ -538,6 +545,9 @@ rm -rf $RPM_BUILD_ROOT
 
 
 %changelog
+* Fri Aug  7 2009 Richard W.M. Jones <rjones@redhat.com> - 1.0.66-2
+- Set network interface to ne2k_pci (workaround for RHBZ#516022).
+
 * Thu Aug  6 2009 Richard W.M. Jones <rjones@redhat.com> - 1.0.66-1
 - New upstream release 1.0.66.