Update kernel to include network capabilities (#38)

Author: sjmiller609

lib/system/versions.go

@@ -8,15 +8,17 @@ type KernelVersion string
 const (
 	// Kernel versions from Kernel linux build
 	Kernel_202511182 KernelVersion = "ch-6.12.8-kernel-1-202511182"
+	Kernel_20251211  KernelVersion = "ch-6.12.8-kernel-2-20251211"
 )
 
 var (
 	// DefaultKernelVersion is the kernel version used for new instances
-	DefaultKernelVersion = Kernel_202511182
+	DefaultKernelVersion = Kernel_20251211
 
 	// SupportedKernelVersions lists all supported kernel versions
 	SupportedKernelVersions = []KernelVersion{
 		Kernel_202511182,
+		Kernel_20251211,
 		// Add future versions here
 	}
 )
@@ -27,6 +29,10 @@ var KernelDownloadURLs = map[KernelVersion]map[string]string{
 		"x86_64":  "https://github.com/onkernel/linux/releases/download/ch-6.12.8-kernel-1-202511182/vmlinux-x86_64",
 		"aarch64": "https://github.com/onkernel/linux/releases/download/ch-6.12.8-kernel-1-202511182/Image-arm64",
 	},
+	Kernel_20251211: {
+		"x86_64":  "https://github.com/onkernel/linux/releases/download/ch-6.12.8-kernel-2-20251211/vmlinux-x86_64",
+		"aarch64": "https://github.com/onkernel/linux/releases/download/ch-6.12.8-kernel-2-20251211/Image-arm64",
+	},
 	// Add future versions here
 }
 
@@ -38,4 +44,3 @@ func GetArch() string {
 	}
 	return arch
 }
-