[1894261.813539] md: sda5 does not have a valid v1.2 superblock, not importing!
[1894261.813547] md: md_import_device returned -22
[1894261.813583] md: md1 stopped.
[1894448.066275] Mobicents-SIP-S invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0
[1894448.066278] Mobicents-SIP-S cpuset=ns mems_allowed=0-1
[1894448.066284] CPU: 8 PID: 3304 Comm: Mobicents-SIP-S Tainted: G          I      4.15.18-16-pve #1
[1894448.066285] Hardware name: HP ProLiant DL360 G7, BIOS P68 05/21/2018
[1894448.066286] Call Trace:
[1894448.066295]  dump_stack+0x63/0x8b
[1894448.066299]  dump_header+0x6e/0x285
[1894448.066301]  oom_kill_process+0x21d/0x440
[1894448.066302]  out_of_memory+0x11d/0x4d0
[1894448.066305]  mem_cgroup_out_of_memory+0x4b/0x80
[1894448.066307]  mem_cgroup_oom_synchronize+0x324/0x340
[1894448.066308]  ? mem_cgroup_css_reset+0xe0/0xe0
[1894448.066310]  pagefault_out_of_memory+0x36/0x7b
[1894448.066313]  mm_fault_error+0x8f/0x190
[1894448.066315]  __do_page_fault+0x4c8/0x500
[1894448.066316]  do_page_fault+0x2e/0xe0
[1894448.066320]  ? page_fault+0x2f/0x50
[1894448.066321]  page_fault+0x45/0x50
[1894448.066323] RIP: 0033:0x7fd3233911b9
[1894448.066324] RSP: 002b:00007fcffbefb110 EFLAGS: 00010297
[1894448.066325] RAX: 0000000000000008 RBX: 0000000000000001 RCX: 00007fd2d85c6ee0
[1894448.066326] RDX: 0000000000000001 RSI: 000000000000004c RDI: 00007fd3234e6414
[1894448.066327] RBP: 00007fcffbefb180 R08: 0000000000000014 R09: 0000000000000001
[1894448.066328] R10: 00007fd2e816b578 R11: 00007fd2d85c6ee8 R12: 00007fcffbefc0f0
[1894448.066329] R13: 00007fcffbefb120 R14: 00007fd3234e6468 R15: 00007fd0a406c000
[1894448.066330] Task in /lxc/168/ns killed as a result of limit of /lxc/168
[1894448.066336] memory: usage 4096000kB, limit 4096000kB, failcnt 2
[1894448.066337] memory+swap: usage 4096000kB, limit 4096000kB, failcnt 5226161
[1894448.066338] kmem: usage 31364kB, limit 9007199254740988kB, failcnt 0
[1894448.066338] Memory cgroup stats for /lxc/168: cache:0KB rss:0KB rss_huge:0KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:0KB inactive_file:0KB active_file:0KB unevictable:0KB
[1894448.066359] Memory cgroup stats for /lxc/168/ns: cache:2468KB rss:4062168KB rss_huge:0KB shmem:452KB mapped_file:436KB dirty:4KB writeback:0KB swap:0KB inactive_anon:436KB active_anon:4062184KB inactive_file:732KB active_file:156KB unevictable:0KB
[1894448.066381] [ pid ]   uid  tgid total_vm      rss pgtables_bytes swapents oom_score_adj name
[1894448.066616] [ 1323] 100000  1323    17425      405   180224        0             0 systemd
[1894448.066631] [ 1669] 100000  1669    25197      172   253952        0             0 systemd-journal
[1894448.066634] [ 1696] 100000  1696    10758       98   118784        0             0 systemd-udevd
[1894448.066636] [ 1707] 100000  1707     7789       63    98304        0             0 cron
[1894448.066637] [ 1708] 100000  1708     5302       84    86016        0             0 bash
[1894448.066639] [ 1709] 100000  1709    45120      130   131072        0             0 rsyslogd
[1894448.066641] [ 1710] 100000  1710    14824      145   147456        0             0 systemd-logind
[1894448.066643] [ 1711] 100107  1711    11817      115   135168        0             0 dbus-daemon
[1894448.066645] [ 1712] 100000  1712     5294       78    86016        0             0 bash
[1894448.066647] [ 1788] 100000  1788  4329538   644199  6647808        0             0 java
[1894448.066648] [ 1820] 100000  1820  1673258   368213  3600384        0             0 java
[1894448.066650] [ 1928] 100108  1928    19247      184   184320        0             0 zabbix_agentd
[1894448.066652] [ 1933] 100000  1933     3955       32    77824        0             0 agetty
[1894448.066654] [ 1934] 100000  1934     3955       32    73728        0             0 agetty
[1894448.066656] [ 1935] 100000  1935     3955       32    73728        0             0 agetty
[1894448.066657] [ 1946] 100108  1946    19247      291   172032        0             0 zabbix_agentd
[1894448.066659] [ 1947] 100108  1947    19247      193   176128        0             0 zabbix_agentd
[1894448.066661] [ 1948] 100108  1948    19247      193   176128        0             0 zabbix_agentd
[1894448.066662] [ 1950] 100108  1950    19247      193   176128        0             0 zabbix_agentd
[1894448.066664] [ 1955] 100108  1955    19247      200   176128        0             0 zabbix_agentd
[1894448.066666] [ 1957] 100000  1957    18025      193   180224        0             0 sshd
[1894448.066702] [ 3529] 100000  3529    16451      157   167936        0             0 sshd
[1894448.066704] [ 3781] 100000  3781    16428      147   163840        0             0 sshd
[1894448.066706] [ 4313] 100000  4313    16428      148   155648        0             0 sshd
[1894448.066715] Memory cgroup out of memory: Kill process 1788 (java) score 630 or sacrifice child
[1894448.078747] Killed process 1788 (java) total-vm:17318152kB, anon-rss:2576796kB, file-rss:0kB, shmem-rss:0kB
[1894448.300174] oom_reaper: reaped process 1788 (java), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB