File ipxe-enable-nics.patch of Package xen

Index: xen-4.2.0-testing/tools/firmware/etherboot/Config
===================================================================
--- xen-4.2.0-testing.orig/tools/firmware/etherboot/Config
+++ xen-4.2.0-testing/tools/firmware/etherboot/Config
@@ -1,3 +1,4 @@
+NICS = rtl8139 8086100e eepro100 e1000 pcnet32 10ec8029
 
 CFLAGS += -UPXE_DHCP_STRICT
 CFLAGS += -DPXE_DHCP_STRICT