If some fields are empty or look unusual you may have an old version. Compare to the current minimal requirements in Documentation/Changes. Linux serv6 6.9.3-stable-1 #2 SMP PREEMPT_DYNAMIC Thu, 30 May 2024 10:29:26 +0000 x86_64 GNU/Linux GNU C 14.1.1 GNU Make 4.4.1 Binutils 2.42.0 Util-linux 2.40.1 Mount 2.40.1 Module-init-tools 32 E2fsprogs 1.47.1 Jfsutils 1.1.15 Reiserfsprogs 3.6.27 Xfsprogs 6.8.0 Quota-tools 4.09 PPP 2.5.0 Nfs-utils 2.6.4 Bison 3.8.2 Flex 2.6.4 Linux C++ Library 6.0.33 Dynamic linker (ldd) 2.39 Procps 4.0.4 Net-tools 2.10 Kbd 2.6.4 Console-tools 2.6.4 Sh-utils 9.5 Udev 255 Wireless-tools 30 Modules Loaded ac97_bus acpi_pad aesni_intel af_alg algif_hash async_memcpy async_pq async_raid6_recov async_tx async_xor auth_rpcgss cec cfg80211 chacha_x86_64 coretemp crc16 crc32c_generic crc32c_intel crc32_pclmul crct10dif_pclmul cryptd crypto_simd crypto_user curve25519_x86_64 dm_bio_prison dm_bufio dm_cache dm_cache_smq dm_mod dm_persistent_data drm_buddy drm_display_helper e1000e ee1004 ext4 fat fuse gf128mul ghash_clmulni_intel grace hwmon_vid i2c_algo_bit i2c_i801 i2c_smbus i915 ib_cm ib_core intel_cstate intel_gtt intel_pmc_bxt intel_pmc_core intel_powerclamp intel_rapl_common intel_rapl_msr intel_tcc_cooling intel_uncore intel_uncore_frequency intel_uncore_frequency_common intel_vsec intel_wmi_thunderbolt ip6_udp_tunnel ip_tables iTCO_vendor_support iTCO_wdt iw_cm jbd2 kvm kvm_intel libchacha libchacha20poly1305 libcrc32c libcurve25519_generic lockd loop mac_hid mbcache md_mod mei mei_hdcp mei_me mei_pxp mxm_wmi nct6775 nct6775_core nf_conntrack nf_defrag_ipv4 nf_defrag_ipv6 nf_nat nfnetlink nfs_acl nfsd nf_tables nft_chain_nat nft_ct nft_nat nls_iso8859_1 nvme nvme_core pcspkr pkcs8_key_parser pmt_class pmt_telemetry poly1305_x86_64 polyval_clmulni polyval_generic raid456 raid6_pq rapl rdma_cm rfkill rpcrdma sg sha1_ssse3 sha256_ssse3 sha512_ssse3 snd snd_compress snd_hda_codec snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_core snd_hda_ext_core snd_hda_intel snd_hda_scodec_component snd_hwdep snd_intel_dspcfg snd_intel_sdw_acpi snd_pcm snd_pcm_dmaengine snd_soc_avs snd_soc_core snd_soc_hda_codec snd_timer soundcore sunrpc tcp_bbr ttm udp_tunnel usbip_core usbip_host vfat video wireguard wmi x86_pkg_temp_thermal xhci_pci xhci_pci_renesas xor x_tables