File dhcp-fix.patch of Package virt-sandbox

Patch aggegrating the following upstream commits:
  82cc162 Create /dev/fd symlink to /proc/self/fd
  5fe7883 Only show dhclient output in debug mode.
  daa2665 Add af_packet module for dhclient to work

Index: libvirt-sandbox-0.6.0/libvirt-sandbox/libvirt-sandbox-builder-machine.c
===================================================================
--- libvirt-sandbox-0.6.0.orig/libvirt-sandbox/libvirt-sandbox-builder-machine.c
+++ libvirt-sandbox-0.6.0/libvirt-sandbox/libvirt-sandbox-builder-machine.c
@@ -182,6 +182,11 @@ static gchar *gvir_sandbox_builder_machi
     gvir_sandbox_config_initrd_add_module(initrd, "virtio_balloon.ko");
 #endif
 
+    /* For dhclient to work in user networking setup
+     * Some distros like fedora have it builtin, we need not to fail if
+     * the file isn't found */
+    gvir_sandbox_config_initrd_add_module(initrd, "af_packet.ko");
+
     if (!gvir_sandbox_builder_initrd_construct(builder, initrd, targetfile, error))
         goto cleanup;
 
Index: libvirt-sandbox-0.6.0/libvirt-sandbox/libvirt-sandbox-init-qemu.c
===================================================================
--- libvirt-sandbox-0.6.0.orig/libvirt-sandbox/libvirt-sandbox-init-qemu.c
+++ libvirt-sandbox-0.6.0/libvirt-sandbox/libvirt-sandbox-init-qemu.c
@@ -356,6 +356,12 @@ main(int argc ATTR_UNUSED, char **argv A
 
     /* Main special filesystems */
     mount_other("/dev", "devtmpfs", 0755);
+    if (symlink("/proc/self/fd", "/dev/fd") < 0) {
+        fprintf(stderr, "libvirt-sandbox-init-qemu: %s: failed to create /dev/fd symlink: %s\n",
+                __func__, strerror(errno));
+        exit_poweroff();
+    }
+
     mount_other_opts("/dev/pts", "devpts", "gid=5,mode=620,ptmxmode=000", 0755);
     mount_other("/sys", "sysfs", 0755);
     mount_other("/proc", "proc", 0755);
Index: libvirt-sandbox-0.6.0/libvirt-sandbox/libvirt-sandbox-init-common.c
===================================================================
--- libvirt-sandbox-0.6.0.orig/libvirt-sandbox/libvirt-sandbox-init-common.c
+++ libvirt-sandbox-0.6.0/libvirt-sandbox/libvirt-sandbox-init-common.c
@@ -159,11 +159,19 @@ start_shell(void)
 
 static gboolean start_dhcp(const gchar *devname, GError **error)
 {
-    const gchar *argv[] = { "/sbin/dhclient", "-v", "--no-pid", devname, NULL };
+    const gchar *argv[5];
+    size_t nargs = 0;
     gboolean ret;
     sigset_t newset;
     sigset_t oldset;
 
+    argv[nargs++] = "/sbin/dhclient";
+    if (debug)
+        argv[nargs++] = "-v";
+    argv[nargs++] = "--no-pid";
+    argv[nargs++] = devname;
+    argv[nargs++] = NULL;
+
     sigemptyset(&newset);
     sigaddset(&newset, SIGHUP);