Part 1: Package configuration
0000-00-01 01:01:20 configure systemd:amd64 237-3ubuntu10.3 <none>
0000-00-01 01:01:20 status half-configured systemd:amd64 237-3ubuntu10.3
0000-00-01 01:01:21 trigproc man-db:amd64 2.8.3-2 <none>
0000-00-01 01:01:21 status half-configured man-db:amd64 2.8.3-2
0000-00-01 01:01:21 status installed man-db:amd64 2.8.3-2
0000-00-01 01:01:21 configure initramfs-tools-bin:amd64 0.130ubuntu3.1 <none>
0000-00-01 01:01:21 status unpacked initramfs-tools-bin:amd64 0.130ubuntu3.1
0000-00-01 01:01:21 status half-configured initramfs-tools-bin:amd64 0.130ubuntu3.1
0000-00-01 01:01:21 status installed initramfs-tools-bin:amd64 0.130ubuntu3.1
0000-00-01 01:01:21 trigproc dbus:amd64 1.12.2-1ubuntu1 <none>
0000-00-01 01:01:21 status half-configured dbus:amd64 1.12.2-1ubuntu1
0000-00-01 01:01:21 configure perl:amd64 5.26.1-6ubuntu0.2 <none>
0000-00-01 01:01:21 status unpacked perl:amd64 5.26.1-6ubuntu0.2
0000-00-01 01:01:21 status unpacked perl:amd64 5.26.1-6ubuntu0.2
0000-00-01 01:01:21 status half-configured perl:amd64 5.26.1-6ubuntu0.2
0000-00-01 01:01:21 trigproc libc-bin:amd64 2.27-3ubuntu1 <none>
0000-00-01 01:01:21 status half-configured libc-bin:amd64 2.27-3ubuntu1
0000-00-01 01:01:21 status installed libc-bin:amd64 2.27-3ubuntu1
0000-00-01 01:41:48 startup archives unpack
0000-00-01 01:41:48 upgrade util-linux:amd64 2.31.1-0.4ubuntu3.1 2.31.1-0.4ubuntu3.1
0000-00-01 01:41:48 status half-configured util-linux:amd64 2.31.1-0.4ubuntu3.1

Part 2: commands failing
sudo reboot now
[sudo] password for username1: 
Failed to open /dev/initctl: No such device or address
Failed to talk to init daemon.

less syslog
/bin/bash: /home/username1/lesspipe: No such file or directory

Part 3: failure in syslog 
Day  1 00:50:27 hostname1 kernel: [2099837.618882] general protection fault: 0000 [#1] SMP NOPTI
Day  1 00:50:27 hostname1 kernel: [2099837.618890] Modules linked in: ipt_REJECT nf_reject_ipv4 xt_multiport btrfs zstd_compress ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs cpuid dm_crypt algif_skcipher af_alg ipt_MASQUERADE nf_nat_masquerade_ipv4 nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 xt_addrtype iptable_filter xt_conntrack nf_nat nf_conntrack br_netfilter bridge stp llc overlay snd_hda_codec_hdmi ipmi_ssif amd64_edac_mod edac_mce_amd input_leds joydev kvm_amd kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc aesni_intel aes_x86_64 snd_hda_intel crypto_simd glue_helper snd_hda_codec cryptd snd_hda_core snd_hwdep snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer snd soundcore ccp k10temp shpchp mac_hid ipmi_si ipmi_devintf
Day  1 00:50:27 hostname1 kernel: [2099837.618969]  ipmi_msghandler 8250_dw sch_fq_codel parport_pc ppdev lp parport ip_tables x_tables autofs4 raid10 raid1 raid0 multipath linear raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c hid_generic usbhid hid bcache nouveau mxm_wmi wmi ast video ttm mpt3sas drm_kms_helper syscopyarea raid_class sysfillrect igb sysimgblt nvme scsi_transport_sas fb_sys_fops dca nvme_core i2c_algo_bit ahci drm ptp i2c_piix4 libahci pps_core
Day  1 00:50:27 hostname1 kernel: [2099837.619025] CPU: 10 PID: 92556 Comm: (imesyncd) Not tainted 4.15.0-29-generic #31-Ubuntu
Day  1 00:50:27 hostname1 kernel: [2099837.619028] Hardware name: Supermicro Super Server/H11SSL-NC, BIOS 1.0b 04/27/2018
Day  1 00:50:27 hostname1 kernel: [2099837.619038] RIP: 0010:prefetch_freepointer+0x15/0x30
Day  1 00:50:27 hostname1 kernel: [2099837.619041] RSP: 0018:ffffa88e2853bc38 EFLAGS: 00010202
Day  1 00:50:27 hostname1 kernel: [2099837.619046] RAX: 0000000000000000 RBX: 730e6e0aa4cfc4fe RCX: 0000000000037a6c
Day  1 00:50:27 hostname1 kernel: [2099837.619049] RDX: 0000000000037a6b RSI: 730e6e0aa4cfc4fe RDI: ffff93be9ec08480
Day  1 00:50:27 hostname1 kernel: [2099837.619052] RBP: ffffa88e2853bc38 R08: ffff93c2aeaa7080 R09: 0000000180800080
Day  1 00:50:27 hostname1 kernel: [2099837.619055] R10: ffffa88e2853bc30 R11: ffff93c28ba6c340 R12: 00000000014000c0
Day  1 00:50:27 hostname1 kernel: [2099837.619058] R13: ffff93be9ec08480 R14: ffff93c28ba6c540 R15: ffff93be9ec08480
Day  1 00:50:27 hostname1 kernel: [2099837.619062] FS:  00007f4ec915ee00(0000) GS:ffff93c2aea80000(0000) knlGS:0000000000000000
Day  1 00:50:27 hostname1 kernel: [2099837.619065] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Day  1 00:50:27 hostname1 kernel: [2099837.619068] CR2: 00005639967e5530 CR3: 0000000395372000 CR4: 00000000003406e0
Day  1 00:50:27 hostname1 kernel: [2099837.619071] Call Trace:
Day  1 00:50:27 hostname1 kernel: [2099837.619080]  kmem_cache_alloc_trace+0xa6/0x1b0
Day  1 00:50:27 hostname1 kernel: [2099837.619087]  ? __memcg_init_list_lru_node+0x70/0xd0
Day  1 00:50:27 hostname1 kernel: [2099837.619092]  __memcg_init_list_lru_node+0x70/0xd0
Day  1 00:50:27 hostname1 kernel: [2099837.619098]  __list_lru_init+0x1b1/0x220
Day  1 00:50:27 hostname1 kernel: [2099837.619105]  sget_userns+0x278/0x490
Day  1 00:50:27 hostname1 kernel: [2099837.619109]  ? get_anon_bdev+0x100/0x100
Day  1 00:50:27 hostname1 kernel: [2099837.619113]  sget+0x7d/0xa0
Day  1 00:50:27 hostname1 kernel: [2099837.619117]  ? get_anon_bdev+0x100/0x100
Day  1 00:50:27 hostname1 kernel: [2099837.619123]  ? shmem_create+0x20/0x20
Day  1 00:50:27 hostname1 kernel: [2099837.619127]  mount_nodev+0x30/0xa0
Day  1 00:50:27 hostname1 kernel: [2099837.619132]  shmem_mount+0x18/0x20
Day  1 00:50:27 hostname1 kernel: [2099837.619136]  mount_fs+0x37/0x150
Day  1 00:50:27 hostname1 kernel: [2099837.619143]  vfs_kern_mount.part.23+0x5d/0x110
Day  1 00:50:27 hostname1 kernel: [2099837.619147]  do_mount+0x5ed/0xce0
Day  1 00:50:27 hostname1 kernel: [2099837.619151]  ? copy_mount_options+0x2c/0x220
Day  1 00:50:27 hostname1 kernel: [2099837.619155]  SyS_mount+0x98/0xe0
Day  1 00:50:27 hostname1 kernel: [2099837.619162]  do_syscall_64+0x73/0x130
Day  1 00:50:27 hostname1 kernel: [2099837.619170]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
Day  1 00:50:27 hostname1 kernel: [2099837.619174] RIP: 0033:0x7f4ec8c8e3ca
Day  1 00:50:27 hostname1 kernel: [2099837.619177] RSP: 002b:00007ffe8ceb0f78 EFLAGS: 00000217 ORIG_RAX: 00000000000000a5
Day  1 00:50:27 hostname1 kernel: [2099837.619181] RAX: ffffffffffffffda RBX: 00007ffe8ceb0fe0 RCX: 00007f4ec8c8e3ca
Day  1 00:50:27 hostname1 kernel: [2099837.619184] RDX: 000056399688a4c3 RSI: 00007ffe8ceb0f80 RDI: 000056399688a4c3
Day  1 00:50:27 hostname1 kernel: [2099837.619186] RBP: 00007ffe8ceb1040 R08: 0000563996889e23 R09: 642d656361707365
Day  1 00:50:27 hostname1 kernel: [2099837.619189] R10: 000000000100000a R11: 0000000000000217 R12: ffffffffffffffff
Day  1 00:50:27 hostname1 kernel: [2099837.619191] R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffe8ceb14b0
Day  1 00:50:27 hostname1 kernel: [2099837.619195] Code: eb bb 49 8b 74 24 60 48 c7 c7 90 b4 0e 9a e8 a3 ca ea ff eb 90 90 0f 1f 44 00 00 55 48 85 f6 48 89 e5 74 14 48 63 47 20 48 01 c6 <48> 33 36 48 33 b7 40 01 00 00 0f 18 0e 5d c3 66 90 66 2e 0f 1f 
Day  1 00:50:27 hostname1 kernel: [2099837.619250] RIP: prefetch_freepointer+0x15/0x30 RSP: ffffa88e2853bc38
Day  1 00:50:27 hostname1 kernel: [2099837.619255] ---[ end trace f2c889646576ed63 ]---

======================================
Part 4: other failure in syslog

Day  1 00:50:28 hostname1 kernel: [2099837.946146] general protection fault: 0000 [#3] SMP NOPTI
Day  1 00:50:28 hostname1 kernel: [2099837.946153] Modules linked in: ipt_REJECT nf_reject_ipv4 xt_multiport btrfs zstd_compress ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs cpuid dm_crypt algif_skcipher af_alg ipt_MASQUERADE nf_nat_masquerade_ipv4 nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 xt_addrtype iptable_filter xt_conntrack nf_nat nf_conntrack br_netfilter bridge stp llc overlay snd_hda_codec_hdmi ipmi_ssif amd64_edac_mod edac_mce_amd input_leds joydev kvm_amd kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc aesni_intel aes_x86_64 snd_hda_intel crypto_simd glue_helper snd_hda_codec cryptd snd_hda_core snd_hwdep snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer snd soundcore ccp k10temp shpchp mac_hid ipmi_si ipmi_devintf
Day  1 00:50:28 hostname1 kernel: [2099837.946237]  ipmi_msghandler 8250_dw sch_fq_codel parport_pc ppdev lp parport ip_tables x_tables autofs4 raid10 raid1 raid0 multipath linear raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c hid_generic usbhid hid bcache nouveau mxm_wmi wmi ast video ttm mpt3sas drm_kms_helper syscopyarea raid_class sysfillrect igb sysimgblt nvme scsi_transport_sas fb_sys_fops dca nvme_core i2c_algo_bit ahci drm ptp i2c_piix4 libahci pps_core
Day  1 00:50:28 hostname1 kernel: [2099837.946299] CPU: 10 PID: 92658 Comm: apt-get Tainted: G      D          4.15.0-29-generic #31-Ubuntu
Day  1 00:50:28 hostname1 kernel: [2099837.946302] Hardware name: Supermicro Super Server/H11SSL-NC, BIOS 1.0b 04/27/2018
Day  1 00:50:28 hostname1 kernel: [2099837.946313] RIP: 0010:__kmalloc+0xa1/0x220
Day  1 00:50:28 hostname1 kernel: [2099837.946316] RSP: 0018:ffffa88e278cfdc0 EFLAGS: 00010202
Day  1 00:50:28 hostname1 kernel: [2099837.946321] RAX: 730e6e0aa4cfc4fe RBX: 0000000000000000 RCX: 0000000000037a6d
Day  1 00:50:28 hostname1 kernel: [2099837.946324] RDX: 0000000000037a6c RSI: 0000000000000000 RDI: 0000000000027080
Day  1 00:50:28 hostname1 kernel: [2099837.946327] RBP: ffffa88e278cfdf0 R08: 730e6e0aa4cfc4fe R09: ffff93be9ec08480
Day  1 00:50:28 hostname1 kernel: [2099837.946330] R10: 0000000000000fe0 R11: 0000000000000000 R12: 730e6e0aa4cfc4fe
Day  1 00:50:28 hostname1 kernel: [2099837.946332] R13: 00000000014080c0 R14: 0000000000000020 R15: ffff93be9ec08480
Day  1 00:50:28 hostname1 kernel: [2099837.946337] FS:  00007f8d41350780(0000) GS:ffff93c2aea80000(0000) knlGS:0000000000000000
Day  1 00:50:28 hostname1 kernel: [2099837.946340] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Day  1 00:50:28 hostname1 kernel: [2099837.946343] CR2: 00007f8d40327fc0 CR3: 00000004079fe000 CR4: 00000000003406e0
Day  1 00:50:28 hostname1 kernel: [2099837.946345] Call Trace:
Day  1 00:50:28 hostname1 kernel: [2099837.946355]  ? security_prepare_creds+0x9c/0xc0
Day  1 00:50:28 hostname1 kernel: [2099837.946361]  security_prepare_creds+0x9c/0xc0
Day  1 00:50:28 hostname1 kernel: [2099837.946368]  prepare_creds+0xd5/0x110
Day  1 00:50:28 hostname1 kernel: [2099837.946372]  prepare_exec_creds+0xf/0x40
Day  1 00:50:28 hostname1 kernel: [2099837.946379]  prepare_bprm_creds+0x39/0x70
Day  1 00:50:28 hostname1 kernel: [2099837.946384]  do_execveat_common.isra.34+0xfb/0x810
Day  1 00:50:28 hostname1 kernel: [2099837.946390]  SyS_execve+0x31/0x40
Day  1 00:50:28 hostname1 kernel: [2099837.946397]  do_syscall_64+0x73/0x130
Day  1 00:50:28 hostname1 kernel: [2099837.946404]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
Day  1 00:50:28 hostname1 kernel: [2099837.946408] RIP: 0033:0x7f8d4027ce37
Day  1 00:50:28 hostname1 kernel: [2099837.946411] RSP: 002b:00007ffe909da468 EFLAGS: 00000202 ORIG_RAX: 000000000000003b
Day  1 00:50:28 hostname1 kernel: [2099837.946415] RAX: ffffffffffffffda RBX: 00005563e65be5c0 RCX: 00007f8d4027ce37
Day  1 00:50:28 hostname1 kernel: [2099837.946418] RDX: 00007ffe909db870 RSI: 00005563e65be5c0 RDI: 00005563e669ede0
Day  1 00:50:28 hostname1 kernel: [2099837.946421] RBP: 00007ffe909da500 R08: 000000000000002f R09: 0000000000000063
Day  1 00:50:28 hostname1 kernel: [2099837.946424] R10: 0000000000000002 R11: 0000000000000202 R12: 00007ffe909db870
Day  1 00:50:28 hostname1 kernel: [2099837.946426] R13: 0000000000000035 R14: 0000000000000000 R15: 00005563e669ede0
Day  1 00:50:28 hostname1 kernel: [2099837.946430] Code: 96 dc 66 49 83 78 10 00 4d 8b 20 0f 84 19 01 00 00 4d 85 e4 0f 84 10 01 00 00 4d 63 41 20 49 8b 39 48 8d 4a 01 4c 89 e0 4d 01 e0 <4d> 8b 18 4d 33 99 40 01 00 00 4c 89 c3 4c 31 db 65 48 0f c7 0f 
Day  1 00:50:28 hostname1 kernel: [2099837.946492] RIP: __kmalloc+0xa1/0x220 RSP: ffffa88e278cfdc0
Day  1 00:50:28 hostname1 kernel: [2099837.946497] ---[ end trace f2c889646576ed65 ]---

Part 5: Same syslog error in other processes
Day  1 00:50:27 hostname1 kernel: [2099837.784825] CPU: 10 PID: 92631 Comm: dpkg-maintscrip Tainted: G      D          4.15.0-29-generic #31-Ubuntu
Day  1 00:50:28 hostname1 kernel: [2099837.946299] CPU: 10 PID: 92658 Comm: apt-get Tainted: G      D          4.15.0-29-generic #31-Ubuntu
Day  1 00:50:28 hostname1 kernel: [2099838.038823] CPU: 10 PID: 90871 Comm: apt-get Tainted: G      D          4.15.0-29-generic #31-Ubuntu
Day  1 00:50:28 hostname1 kernel: [2099838.217845] CPU: 10 PID: 92663 Comm: apport Tainted: G      D          4.15.0-29-generic #31-Ubuntu
Day  1 00:51:06 hostname1 kernel: [2099876.873764] CPU: 10 PID: 92672 Comm: dpkg-preconfigu Tainted: G      D          4.15.0-29-generic #31-Ubuntu
Day  1 00:51:07 hostname1 kernel: [2099877.476333] CPU: 10 PID: 92691 Comm: dpkg-preconfigu Tainted: G      D          4.15.0-29-generic #31-Ubuntu
Day  1 00:51:08 hostname1 kernel: [2099877.944688] CPU: 10 PID: 92706 Comm: apt-extracttemp Tainted: G      D          4.15.0-29-generic #31-Ubuntu
Day  1 00:51:09 hostname1 kernel: [2099879.223866] CPU: 10 PID: 92784 Comm: keyboard-config Tainted: G      D          4.15.0-29-generic #31-Ubuntu
Day  1 00:51:09 hostname1 kernel: [2099879.378901] CPU: 10 PID: 92813 Comm: sh Tainted: G      D          4.15.0-29-generic #31-Ubuntu
Day  1 00:51:09 hostname1 kernel: [2099879.840759] CPU: 10 PID: 92836 Comm: apt-get Tainted: G      D          4.15.0-29-generic #31-Ubuntu
Day  1 00:51:11 hostname1 kernel: [2099881.293395] CPU: 10 PID: 92845 Comm: apt-get Tainted: G      D          4.15.0-29-generic #31-Ubuntu
Day  1 00:52:28 hostname1 kernel: [2099958.611657] CPU: 10 PID: 2516 Comm: kerneloops Tainted: G      D          4.15.0-29-generic #31-Ubuntu
Day  1 00:53:11 hostname1 kernel: [2100001.263650] CPU: 10 PID: 92862 Comm: kerneloops Tainted: G      D          4.15.0-29-generic #31-Ubuntu
Day  1 00:54:16 hostname1 kernel: [2100126.730510] CPU: 10 PID: 92887 Comm: systemd-udevd Tainted: G      D          4.15.0-29-generic #31-Ubuntu
Day  1 01:00:13 hostname1 kernel: [2100183.558345] CPU: 10 PID: 92913 Comm: kernel_oops Tainted: G      D          4.15.0-29-generic #31-Ubuntu
Day  1 01:00:18 hostname1 kernel: [2100188.194020] CPU: 10 PID: 92982 Comm: (direxec) Tainted: G      D          4.15.0-29-generic #31-Ubuntu
Day  1 01:00:19 hostname1 kernel: [2100189.001252] CPU: 10 PID: 93110 Comm: update-cracklib Tainted: G      D          4.15.0-29-generic #31-Ubuntu
Day  1 01:00:19 hostname1 kernel: [2100189.395725] CPU: 10 PID: 93126 Comm: udev.postinst Tainted: G      D          4.15.0-29-generic #31-Ubuntu
Day  1 01:00:19 hostname1 kernel: [2100189.506138] CPU: 10 PID: 93151 Comm: netplan Tainted: G      D          4.15.0-29-generic #31-Ubuntu
Day  1 01:00:20 hostname1 kernel: [2100189.941381] CPU: 10 PID: 93217 Comm: systemd-udevd Tainted: G      D          4.15.0-29-generic #31-Ubuntu
Day  1 01:00:20 hostname1 kernel: [2100190.277593] CPU: 10 PID: 93296 Comm: openvpn-generat Tainted: G      D          4.15.0-29-generic #31-Ubuntu
Day  1 01:00:20 hostname1 kernel: [2100190.434546] CPU: 10 PID: 92580 Comm: systemd-journal Tainted: G      D          4.15.0-29-generic #31-Ubuntu
Day  1 01:05:33 hostname1 kernel: [2100503.689779] CPU: 10 PID: 2 Comm: kthreadd Tainted: G      D          4.15.0-29-generic #31-Ubuntu
Day  1 01:10:41 hostname1 kernel: [2100811.710474] CPU: 10 PID: 1678 Comm: accounts-daemon Tainted: G      D          4.15.0-29-generic #31-Ubuntu
Day  1 01:16:07 hostname1 kernel: [2101137.345749] CPU: 10 PID: 93818 Comm: update-motd-fsc Tainted: G      D          4.15.0-29-generic #31-Ubuntu
Day  1 01:16:07 hostname1 kernel: [2101137.367295] CPU: 10 PID: 93759 Comm: run-parts Tainted: G      D          4.15.0-29-generic #31-Ubuntu
Day  1 01:18:53 hostname1 kernel: [2101302.964255] CPU: 10 PID: 93887 Comm: 91-release-upgr Tainted: G      D          4.15.0-29-generic #31-Ubuntu
Day  1 01:18:53 hostname1 kernel: [2101302.977838] CPU: 10 PID: 93886 Comm: 91-release-upgr Tainted: G      D          4.15.0-29-generic #31-Ubuntu
Day  1 01:20:19 hostname1 kernel: [2101389.062475] CPU: 10 PID: 93962 Comm: lesspipe Tainted: G      D          4.15.0-29-generic #31-Ubuntu