If some fields are empty or look unusual you may have an old version.
Compare to the current minimal requirements in Documentation/Changes.

Linux test-qinq 5.8.5-050805-generic #202008270831 SMP Thu Aug 27 08:33:39 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux

Util-linux          	2.34
Mount               	2.34
Module-init-tools   	27
E2fsprogs           	1.45.5
Xfsprogs            	5.3.0
Linux C Library     	2.31
Dynamic linker (ldd)	2.31
Linux C++ Library   	6.0.28
Net-tools           	2.10
Kbd                 	2.0.4
Console-tools       	2.0.4
Sh-utils            	8.30
Udev                	245
Modules Loaded      	8021q acpi_ipmi acpi_power_meter aesni_intel ahci async_memcpy async_pq async_raid6_recov async_tx async_xor autofs4 blake2b_generic bluetooth bridge btrfs cec coretemp crc32_pclmul crct10dif_pclmul cryptd crypto_simd dca dm_multipath drm drm_kms_helper drm_ttm_helper drm_vram_helper ecc ecdh_generic fb_sys_fops garp ghash_clmulni_intel glue_helper hid hid_generic hpilo i2c_algo_bit igb input_leds intel_cstate intel_powerclamp intel_rapl_common intel_rapl_msr ioatdma ipmi_devintf ipmi_msghandler ipmi_si ipmi_ssif ip_tables kvm kvm_intel libahci libcrc32c linear llc lpc_ich mac_hid mgag200 mrp multipath nfnetlink psmouse qlcnic raid0 raid10 raid1 raid456 raid6_pq rapl rc_core sb_edac sch_fq_codel scsi_dh_alua scsi_dh_emc scsi_dh_rdac serio_raw stp syscopyarea sysfillrect sysimgblt ttm usbhid x86_pkg_temp_thermal xor x_tables