[ 1711.677982] eth1: renamed from tmp
[ 1711.708981] eth2: renamed from tmp
[ 1711.738205] l2tp_core: L2TP core driver, V2.0
[ 1711.739684] l2tp_netlink: L2TP netlink interface
[ 1711.744852] l2tp_ip: L2TP IP encapsulation support (L2TPv3)
[ 1711.752270] l2tp_eth: L2TP ethernet pseudowire support (L2TPv3)
[ 1711.752444] BUG: kernel NULL pointer dereference, address: 0000000000000054
[ 1711.752488] #PF: supervisor read access in kernel mode
[ 1711.752515] #PF: error_code(0x0000) - not-present page
[ 1711.752549] PGD 95ae067 P4D 8775067 PUD 8774067 PMD 0 
[ 1711.752579] Oops: Oops: 0000 [#1] SMP
[ 1711.752608] CPU: 3 UID: 0 PID: 11504 Comm: ip Not tainted 7.0.0-rc1-virtme #1 PREEMPT(lazy) 
[ 1711.752664] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1711.752705] RIP: 0010:l2tp_eth_create+0xf2/0x300 [l2tp_eth]
[ 1711.752737] Code: 00 00 ff ff 00 00 48 89 85 18 02 00 00 41 8b 74 24 3c 85 f6 0f 84 a2 00 00 00 48 8b 53 20 0f b7 43 4a 4d 8b ac 24 b8 00 00 00 <8b> 4a 54 03 42 3c 31 d2 85 c9 0f 94 c2 44 8d 74 d0 0e e8 37 81 f8
[ 1711.752832] RSP: 0018:ff413ecf0103f8f8 EFLAGS: 00010206
[ 1711.752860] RAX: 0000000000000008 RBX: ff1d2c070482be00 RCX: 0000000000000005
[ 1711.752908] RDX: 0000000000000000 RSI: 0000000000000014 RDI: 7f7f7fffffffffff
[ 1711.752953] RBP: ff1d2c070585a000 R08: 8080808080808080 R09: ff1d2c070585a120
[ 1711.752998] R10: ff413ecf0103f900 R11: fefefefefefefeff R12: ff1d2c07069d6b00
[ 1711.753038] R13: ff1d2c070681aec0 R14: 0000000000000411 R15: 0000000000000000
[ 1711.753087] FS:  00007f86e3bb1400(0000) GS:ff1d2c0789934000(0000) knlGS:0000000000000000
[ 1711.753136] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1711.753177] CR2: 0000000000000054 CR3: 000000000877f003 CR4: 0000000000771ef0
[ 1711.753218] PKRU: 55555554
[ 1711.753244] Call Trace:
[ 1711.753258]  <TASK>
[ 1711.753276]  l2tp_nl_cmd_session_create+0x204/0x470 [l2tp_netlink]
[ 1711.753314]  genl_family_rcv_msg_doit+0xf8/0x150
[ 1711.753352]  genl_rcv_msg+0x1a6/0x2a0
[ 1711.753373]  ? l2tp_session_notify.constprop.0+0xa0/0xa0 [l2tp_netlink]
[ 1711.753410]  ? genl_family_rcv_msg_dumpit+0x100/0x100
[ 1711.753440]  netlink_rcv_skb+0x59/0x100
[ 1711.753475]  genl_rcv+0x28/0x40
[ 1711.753498]  netlink_unicast+0x255/0x380
[ 1711.753523]  netlink_sendmsg+0x1cc/0x3e0
[ 1711.753542]  ____sys_sendmsg+0x164/0x260
[ 1711.753565]  ___sys_sendmsg+0x99/0xe0
[ 1711.753588]  __sys_sendmsg+0x8a/0xe0
[ 1711.753612]  do_syscall_64+0x101/0xfc0
[ 1711.753634]  ? exc_page_fault+0x6e/0x170
[ 1711.753657]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 1711.753686] RIP: 0033:0x7f86e3d0bc5e
[ 1711.753712] Code: 4d 89 d8 e8 34 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 13 ff ff ff 0f 1f 00 f3 0f 1e fa
[ 1711.753810] RSP: 002b:00007fff45e85e20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[ 1711.753856] RAX: ffffffffffffffda RBX: 00007fff45e861e0 RCX: 00007f86e3d0bc5e
[ 1711.753907] RDX: 0000000000000000 RSI: 00007fff45e85ee0 RDI: 0000000000000006
[ 1711.753942] RBP: 00007fff45e85e30 R08: 0000000000000000 R09: 0000000000000000
[ 1711.753977] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
[ 1711.754022] R13: 0000000069a26291 R14: 000000000000000b R15: 00000000004a3d00
[ 1711.754063]  </TASK>
[ 1711.754076] Modules linked in: l2tp_eth l2tp_ip l2tp_netlink l2tp_core cls_bpf sch_ingress xfrm_interface pktgen xt_conntrack nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 xfrm_user ipvtap ipvlan unix_diag ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
[ 1711.754215] CR2: 0000000000000054
[ 1711.754239] ---[ end trace 0000000000000000 ]---
[ 1711.754268] RIP: 0010:l2tp_eth_create+0xf2/0x300 [l2tp_eth]
[ 1711.754294] Code: 00 00 ff ff 00 00 48 89 85 18 02 00 00 41 8b 74 24 3c 85 f6 0f 84 a2 00 00 00 48 8b 53 20 0f b7 43 4a 4d 8b ac 24 b8 00 00 00 <8b> 4a 54 03 42 3c 31 d2 85 c9 0f 94 c2 44 8d 74 d0 0e e8 37 81 f8
[ 1711.754391] RSP: 0018:ff413ecf0103f8f8 EFLAGS: 00010206
[ 1711.754424] RAX: 0000000000000008 RBX: ff1d2c070482be00 RCX: 0000000000000005
[ 1711.754470] RDX: 0000000000000000 RSI: 0000000000000014 RDI: 7f7f7fffffffffff
[ 1711.754524] RBP: ff1d2c070585a000 R08: 8080808080808080 R09: ff1d2c070585a120
[ 1711.754567] R10: ff413ecf0103f900 R11: fefefefefefefeff R12: ff1d2c07069d6b00
[ 1711.754611] R13: ff1d2c070681aec0 R14: 0000000000000411 R15: 0000000000000000
[ 1711.754658] FS:  00007f86e3bb1400(0000) GS:ff1d2c0789934000(0000) knlGS:0000000000000000
[ 1711.754711] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1711.754753] CR2: 0000000000000054 CR3: 000000000877f003 CR4: 0000000000771ef0
[ 1711.754798] PKRU: 55555554
[ 1711.754810] note: ip[11504] exited with irqs disabled