Kernel panic with message "kernel BUG at net/netfilter/nf_nat_core.c:399!"

Issue

• Kernel panics with following messages:

[366264.283372] kernel BUG at net/netfilter/nf_nat_core.c:399!
[366264.285303] invalid opcode: 0000 [#1] SMP 
[366264.287351] Modules linked in: nfsv3 nfs_acl rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver nfs lockd grace fscache binfmt_misc veth nf_conntrack_netlink xt_statistic xt_nat xt_recent xt_addrtype vxlan ip6_u
dp_tunnel udp_tunnel nfnetlink_cttimeout ipt_REJECT nf_reject_ipv4 xt_CT iptable_raw ip6table_mangle ip6t_MASQUERADE nf_nat_masquerade_ipv6 ip6table_filter iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 xt
_conntrack xt_comment iptable_filter xt_mark ip6table_nat ip6_tables iptable_nat bmhook(OE) tmhook(OE) dsa_filter(POE) dsa_filter_hook(OE) sch_ingress bonding openvswitch nf_conntrack_ipv6 nf_nat_ipv6 nf_conntra
ck_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_defrag_ipv6 nf_nat nf_conntrack overlay(T) sunrpc iTCO_wdt mxm_wmi iTCO_vendor_support dcdbas sb_edac intel_powerclamp coretemp intel_rapl iosf_mbi
[366264.297262]  kvm_intel kvm irqbypass crc32_pclmul ghash_clmulni_intel aesni_intel lrw gf128mul glue_helper ablk_helper cryptd pcspkr ipmi_ssif sg ipmi_si ipmi_devintf ipmi_msghandler mei_me mei wmi lpc_ich a
cpi_power_meter tpm_crb ip_tables xfs sd_mod crc_t10dif crct10dif_generic qla2xxx mgag200 i2c_algo_bit drm_kms_helper uas syscopyarea sysfillrect sysimgblt fb_sys_fops ttm ahci bnx2x libahci drm usb_storage liba
ta crct10dif_pclmul nvme_fc crct10dif_common crc32c_intel nvme_fabrics megaraid_sas nvme_core scsi_transport_fc mdio ptp drm_panel_orientation_quirks scsi_tgt pps_core libcrc32c dm_mirror dm_region_hash dm_log d
m_mod
[366264.308791] CPU: 12 PID: 951555 Comm: java Kdump: loaded Tainted: P           OE  ------------ T 3.10.0-1160.31.1.el7.x86_64 #1
[366264.310849] Hardware name: Dell Inc. PowerEdge FC630/0R10KJ, BIOS 2.13.0 05/24/2021
[366264.312863] task: ffff9ca3a42ac200 ti: ffff9ca28be78000 task.ti: ffff9ca28be78000
[366264.315049] RIP: 0010:[<ffffffffc0493409>]  [<ffffffffc0493409>] nf_nat_setup_info+0x319/0x320 [nf_nat]
[366264.317214] RSP: 0018:ffff9cb7ff583bd0  EFLAGS: 00010206
[366264.319446] RAX: 0000000000000100 RBX: ffff9c915cbde440 RCX: 0000000000000088
[366264.321580] RDX: 0000000000000100 RSI: ffff9cb7ff583c80 RDI: ffff9c915cbde440
[366264.323766] RBP: ffff9cb7ff583c70 R08: 00000000ac282e01 R09: 0000000000000002
[366264.325785] R10: ffffb953339a6608 R11: ffffffffc03975f8 R12: 0000000000000001
[366264.327780] R13: ffff9cb7ff583c80 R14: ffffffff87515e40 R15: ffff9cb7ff583dc8
[366264.329757] FS:  00007f797eff5700(0000) GS:ffff9cb7ff580000(0000) knlGS:0000000000000000
[366264.331763] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[366264.333719] CR2: 00007f7918047130 CR3: 0000004a7d7b2000 CR4: 00000000003607e0
[366264.335578] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[366264.337413] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[366264.339177] Call Trace:
[366264.341002]  <IRQ> 
[366264.341016]  [<ffffffff868a4047>] ? local_bh_enable+0x17/0x20
[366264.344605]  [<ffffffffc0392719>] ? ipt_do_table+0x359/0x740 [ip_tables]
[366264.346478]  [<ffffffffc0493467>] __nf_nat_alloc_null_binding+0x57/0x80 [nf_nat]
[366264.348254]  [<ffffffffc04934b1>] nf_nat_alloc_null_binding+0x21/0x30 [nf_nat]
[366264.349987]  [<ffffffffc04a678e>] nf_nat_ipv4_fn+0x1be/0x230 [nf_nat_ipv4]
[366264.351668]  [<ffffffffc0876020>] ? iptable_nat_ipv4_fn+0x20/0x20 [iptable_nat]
[366264.353353]  [<ffffffffc04a682e>] nf_nat_ipv4_in+0x2e/0x90 [nf_nat_ipv4]
[366264.355043]  [<ffffffffc08760a8>] iptable_nat_ipv4_in+0x18/0x20 [iptable_nat]
[366264.356719]  [<ffffffff86e96ab8>] nf_iterate+0x98/0xe0
[366264.358380]  [<ffffffff86e96ba8>] nf_hook_slow+0xa8/0x110
[366264.359999]  [<ffffffff86ea21b9>] ip_rcv+0x339/0x420
[366264.361700]  [<ffffffff86ea16e0>] ? inet_del_offload+0x40/0x40
[366264.363275]  [<ffffffff86e56829>] __netif_receive_skb_core+0x729/0xa10
[366264.364835]  [<ffffffff868ea200>] ? update_max_interval+0x30/0x40
[366264.366397]  [<ffffffff86e56b28>] __netif_receive_skb+0x18/0x60
[366264.367880]  [<ffffffff86e57afe>] process_backlog+0xae/0x180
[366264.369346]  [<ffffffff86e571cf>] net_rx_action+0x26f/0x390
[366264.370814]  [<ffffffff868a4bc5>] __do_softirq+0xf5/0x280
[366264.372330]  [<ffffffff86f994ec>] call_softirq+0x1c/0x30
[366264.373858]  <EOI> 
[366264.373870]  [<ffffffff8682f715>] do_softirq+0x65/0xa0
[366264.376698]  [<ffffffff868a401b>] __local_bh_enable_ip+0x9b/0xb0
[366264.378056]  [<ffffffff868a4047>] local_bh_enable+0x17/0x20
[366264.379384]  [<ffffffff86ea78e4>] ip_finish_output+0x284/0x8d0
[366264.380760]  [<ffffffff86ea825b>] ip_output+0x7b/0xf0
[366264.382172]  [<ffffffff86ea7660>] ? __ip_append_data.isra.50+0xa60/0xa60
[366264.383452]  [<ffffffff86ea5c87>] ip_local_out_sk+0x37/0x40
[366264.384790]  [<ffffffff86ea8cc6>] ip_send_skb+0x16/0x50
[366264.386028]  [<ffffffff86ed112c>] udp_send_skb+0xac/0x2b0
[366264.387281]  [<ffffffff86ea59c0>] ? ip_copy_metadata+0x170/0x170
[366264.388516]  [<ffffffff86ed2691>] udp_sendmsg+0x5e1/0xa70
[366264.389769]  [<ffffffffc074add0>] ? xfs_alert_fsblock_zero.isra.7+0x40/0x40 [xfs]
[366264.390961]  [<ffffffff86f3ac50>] udpv6_sendmsg+0x160/0xc30
[366264.392108]  [<ffffffff869c75f6>] ? free_hot_cold_page_list+0x46/0xa0
[366264.393235]  [<ffffffff869cd27e>] ? release_pages+0x24e/0x430
[366264.394393]  [<ffffffff86b0c2d5>] ? sock_has_perm+0x75/0x90
[366264.395546]  [<ffffffff869cd7e4>] ? __lru_cache_add+0x64/0x90
[366264.396748]  [<ffffffff86edfe79>] inet_sendmsg+0x69/0xb0
[366264.397844]  [<ffffffff86b0c403>] ? selinux_socket_sendmsg+0x23/0x30
[366264.398903]  [<ffffffff86e363a6>] sock_sendmsg+0xb6/0xf0
[366264.399955]  [<ffffffff868e2f8b>] ? should_numa_migrate_memory+0x5b/0x150
[366264.400976]  [<ffffffff86a1d42c>] ? mpol_misplaced+0x18c/0x1e0
[366264.401980]  [<ffffffff86e36ad1>] SYSC_sendto+0x121/0x1c0
[366264.402960]  [<ffffffff86f90678>] ? __do_page_fault+0x238/0x500
[366264.403967]  [<ffffffff86e385ee>] SyS_sendto+0xe/0x10
[366264.404885]  [<ffffffff86f95f92>] system_call_fastpath+0x25/0x2a
[366264.405766] Code: 78 64 49 c0 e8 a9 85 af c6 e9 0a fe ff ff 0f 1f 40 00 48 81 8b 80 00 00 00 00 01 00 00 e9 01 fe ff ff 31 c0 eb b2 e8 97 7b 40 c6 <0f> 0b 0f 1f 44 00 00 0f 1f 44 00 00 55 48 89 e5 48 83 ec 30 65 
[366264.407637] RIP  [<ffffffffc0493409>] nf_nat_setup_info+0x319/0x320 [nf_nat]
[366264.408526]  RSP <ffff9cb7ff583bd0>