watchdog: BUG: soft lockup - CPU#1 stuck for 21s! [swapper/1:0]
Modules linked in: br_netfilter(+) aufs vport_vxlan vxlan ip6_udp_tunnel udp_tunnel openvswitch nf_conntrack_ipv6 nf_nat_ipv6 nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_defrag_ipv6 nf_nat nf_conntrack bridge vmw_vsock_vmci_transport stp llc vsock vmw_balloon input_leds joydev serio_raw vmw_vmci i2c_piix4 shpchp mac_hid ib_iser nfsd auth_rpcgss nfs_acl lockd grace rdma_cm iw_cm ib_cm sunrpc ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi parport_pc ppdev lp parport ip_tables x_tables autofs4 btrfs raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc aesni_intel aes_x86_64 crypto_simd glue_helper cryptd psmouse vmwgfx ttm drm_kms_helper mptspi
 mptscsih syscopyarea sysfillrect mptbase sysimgblt e1000 fb_sys_fops scsi_transport_spi drm pata_acpi
CPU: 1 PID: 0 Comm: swapper/1 Tainted: G        W    L  4.13.0-16-lowlatency #19-Ubuntu
Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 09/21/2015
task: ffff88f73a454a00 task.stack: ffff9c298069c000
RIP: 0010:native_safe_halt+0x6/0x10
RSP: 0018:ffff9c298069fe70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10
RAX: 0000000000000000 RBX: ffff88f73a454a00 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff9c298069fe70 R08: 0000000000000002 R09: 0000000000000001
R10: ffff9c298069fe10 R11: 00000000000000d8 R12: 0000000000000001
R13: ffff88f73a454a00 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff88f73fc80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c420459000 CR3: 000000003de09000 CR4: 00000000000006e0
Call Trace: