"WARNING: CPU: 2 PID: 25161 at net/core/skbuff.c:4032 skb_try_coalesce+0x3c6/0x450" messages seen with RHEL7.4 release kernel

Issue

• Openshift setup running with latest 3.10.0-693.11.6 kernel tends to hit following traces which further causes the docker container service to crash dump:

WARNING: CPU: 2 PID: 25161 at net/core/skbuff.c:4032 skb_try_coalesce+0x3c6/0x450
Modules linked in: veth xt_physdev xt_nat xt_REDIRECT nf_nat_redirect vport_vxlan vxlan ip6_udp_tunnel udp_tunnel xt_comment xt_mark openvswitch nf_conntrack_ipv6 nf_nat_ipv6 nf_defrag_ipv6 ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 xt_addrtype nf_nat br_netfilter bridge stp llc ipt_REJECT nf_reject_ipv4 nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack iptable_filter nfsv3 rpcsec_gss_krb5 nfsv4 dns_resolver nfs fscache dm_thin_pool dm_persistent_data dm_bio_prison dm_bufio vmw_vsock_vmci_transport vsock sb_edac edac_core coretemp ppdev iosf_mbi crc32_pclmul ghash_clmulni_intel vmw_balloon aesni_intel lrw gf128mul glue_helper ablk_helper cryptd joydev pcspkr sg vmw_vmci i2c_piix4 shpchp parport_pc parport nfsd auth_rpcgss nfs_acl lockd grace sunrpc binfmt_misc
ip_tables xfs libcrc32c sr_mod cdrom ata_generic pata_acpi vmwgfx sd_mod crc_t10dif drm_kms_helper crct10dif_generic syscopyarea sysfillrect sysimgblt fb_sys_fops ttm drm ata_piix libata crct10dif_pclmul crct10dif_common crc32c_intel serio_raw vmxnet3 vmw_pvscsi i2c_core floppy dm_mirror dm_region_hash dm_log dm_mod
CPU: 2 PID: 25161 Comm: handler1 Not tainted 3.10.0-693.11.6.el7.x86_64 #1
Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 09/17/2015
Call Trace:
<IRQ>  [<ffffffff816a5ea1>] dump_stack+0x19/0x1b
[<ffffffff81089448>] __warn+0xd8/0x100
[<ffffffff8108958d>] warn_slowpath_null+0x1d/0x20
[<ffffffff81578cc6>] skb_try_coalesce+0x3c6/0x450
[<ffffffff815dffda>] tcp_try_coalesce+0x6a/0xd0
[<ffffffff8157145f>] ? __sk_mem_schedule+0x2f/0x40
[<ffffffff815e1225>] tcp_queue_rcv+0x55/0x130
[<ffffffff815e31bc>] tcp_data_queue+0x27c/0xdd0
[<ffffffff815e66e7>] tcp_rcv_established+0x217/0x760
[<ffffffff815f120a>] tcp_v4_do_rcv+0x10a/0x340
[<ffffffff815f2958>] tcp_v4_rcv+0x798/0x9a0
[<ffffffffc061c306>] ? ipv4_confirm+0x86/0x100 [nf_conntrack_ipv4]
[<ffffffff815cc094>] ip_local_deliver_finish+0xb4/0x1f0
[<ffffffff815cc379>] ip_local_deliver+0x59/0xd0
[<ffffffff815cbfe0>] ? ip_rcv_finish+0x350/0x350
[<ffffffff815cbd1a>] ip_rcv_finish+0x8a/0x350
[<ffffffff815cc6a6>] ip_rcv+0x2b6/0x410
[<ffffffff815cbc90>] ? inet_del_offload+0x40/0x40
[<ffffffff81588f22>] __netif_receive_skb_core+0x572/0x7c0
[<ffffffff81589188>] __netif_receive_skb+0x18/0x60
[<ffffffff8158a41e>] process_backlog+0xae/0x180
[<ffffffff8158999d>] net_rx_action+0x16d/0x380
[<ffffffff810925bf>] __do_softirq+0xef/0x280
[<ffffffff816bd3ac>] call_softirq+0x1c/0x30
<EOI>  [<ffffffff8102d405>] do_softirq+0x65/0xa0
[<ffffffff81091a5b>] __local_bh_enable_ip+0x9b/0xb0
[<ffffffff81091a87>] local_bh_enable+0x17/0x20
[<ffffffffc06b09a0>] ovs_packet_cmd_execute+0x2d0/0x2f0 [openvswitch]
[<ffffffff815c173a>] genl_family_rcv_msg+0x20a/0x430
[<ffffffff815c1960>] ? genl_family_rcv_msg+0x430/0x430
[<ffffffff815c19f1>] genl_rcv_msg+0x91/0xd0
[<ffffffff815bf969>] netlink_rcv_skb+0xa9/0xc0
[<ffffffff815bfe98>] genl_rcv+0x28/0x40
[<ffffffff815bf052>] netlink_unicast+0xf2/0x1b0
[<ffffffff815bf42f>] netlink_sendmsg+0x31f/0x6a0
[<ffffffff812b6f25>] ? sock_has_perm+0x75/0x90
[<ffffffff8156c580>] sock_sendmsg+0xb0/0xf0
[<ffffffff8156c88f>] ? sock_recvmsg+0xbf/0x100
[<ffffffff810c30cd>] ? ttwu_do_activate.constprop.91+0x5d/0x70
[<ffffffff810c61c3>] ? try_to_wake_up+0x183/0x340
[<ffffffff8156ce29>] ___sys_sendmsg+0x3a9/0x3c0
[<ffffffff8124d809>] ? ep_scan_ready_list.isra.7+0x1b9/0x1f0
[<ffffffff8124d983>] ? ep_poll+0x123/0x360
[<ffffffff810a5d23>] ? getrusage+0x43/0x70
[<ffffffff8156d5f1>] __sys_sendmsg+0x51/0x90
[<ffffffff8156d642>] SyS_sendmsg+0x12/0x20
[<ffffffff816b89fd>] system_call_fastpath+0x16/0x1b
[<ffffffff816b889d>] ? system_call_after_swapgs+0xca/0x214