random: sshd: uninitialized urandom read (32 bytes read)
random: sshd: uninitialized urandom read (32 bytes read)
------------[ cut here ]------------
WARNING: CPU: 1 PID: 3801 at net/ipv4/af_inet.c:167 inet_sock_destruct+0x598/0x760 net/ipv4/af_inet.c:167
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 3801 Comm: sshd Not tainted 4.9.98-gf679e4d #17
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801db307cc0 ffffffff81eb0fc9 ffffffff83c484a0 00000000ffffffff
 0000000000000000 0000000000000001 00000000000000a7 ffff8801db307d80
 ffffffff8141f975 0000000041b58ab3 ffffffff843b86e8 ffffffff8141f7b6
Call Trace:
 <IRQ> [   28.397569]  [<ffffffff81eb0fc9>] __dump_stack lib/dump_stack.c:15 [inline]
 <IRQ> [   28.397569]  [<ffffffff81eb0fc9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff8141f975>] panic+0x1bf/0x3bc kernel/panic.c:179
 [<ffffffff8141fc61>] __warn.cold.9+0xc1/0x17f kernel/panic.c:542
 [<ffffffff8113461c>] warn_slowpath_null+0x2c/0x40 kernel/panic.c:585
 [<ffffffff8341fe08>] inet_sock_destruct+0x598/0x760 net/ipv4/af_inet.c:167
 [<ffffffff836b8729>] l2tp_tunnel_destruct+0x339/0x590 net/l2tp/l2tp_core.c:1329
 [<ffffffff8301d095>] __sk_destruct+0x55/0x590 net/core/sock.c:1428
 [<ffffffff8128578e>] __rcu_reclaim kernel/rcu/rcu.h:118 [inline]
 [<ffffffff8128578e>] rcu_do_batch kernel/rcu/tree.c:2789 [inline]
 [<ffffffff8128578e>] invoke_rcu_callbacks kernel/rcu/tree.c:3053 [inline]
 [<ffffffff8128578e>] __rcu_process_callbacks kernel/rcu/tree.c:3020 [inline]
 [<ffffffff8128578e>] rcu_process_callbacks+0x8ae/0x12b0 kernel/rcu/tree.c:3037
 [<ffffffff839fb23b>] __do_softirq+0x20b/0x937 kernel/softirq.c:284
 [<ffffffff81149037>] invoke_softirq kernel/softirq.c:364 [inline]
 [<ffffffff81149037>] irq_exit+0x147/0x190 kernel/softirq.c:405
 [<ffffffff839f9e21>] exiting_irq arch/x86/include/asm/apic.h:659 [inline]
 [<ffffffff839f9e21>] smp_apic_timer_interrupt+0x81/0xa0 arch/x86/kernel/apic/apic.c:960
 [<ffffffff839f5fb0>] apic_timer_interrupt+0xa0/0xb0 arch/x86/entry/entry_64.S:648
 <EOI> [   28.520378]  [<ffffffff8320fc3a>] ? nf_ct_net include/net/netfilter/nf_conntrack.h:152 [inline]
 <EOI> [   28.520378]  [<ffffffff8320fc3a>] ? nf_ct_deliver_cached_events+0x6a/0x560 net/netfilter/nf_conntrack_ecache.c:180
 [<ffffffff8320fc60>] rcu_read_lock include/linux/rcupdate.h:873 [inline]
 [<ffffffff8320fc60>] nf_ct_deliver_cached_events+0x90/0x560 net/netfilter/nf_conntrack_ecache.c:187
 [<ffffffff834a4b2d>] nf_conntrack_confirm include/net/netfilter/nf_conntrack_core.h:72 [inline]
 [<ffffffff834a4b2d>] ipv4_confirm+0x2bd/0x400 net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c:143
 [<ffffffff831d6316>] nf_iterate+0x126/0x310 net/netfilter/core.c:324
 [<ffffffff831d6614>] nf_hook_slow+0x114/0x1e0 net/netfilter/core.c:355
 [<ffffffff8333b0eb>] nf_hook_thresh include/linux/netfilter.h:191 [inline]
 [<ffffffff8333b0eb>] NF_HOOK_COND include/linux/netfilter.h:245 [inline]
 [<ffffffff8333b0eb>] ip_output+0x3eb/0x550 net/ipv4/ip_output.c:401
 [<ffffffff8333792b>] dst_output include/net/dst.h:507 [inline]
 [<ffffffff8333792b>] ip_local_out+0x9b/0x180 net/ipv4/ip_output.c:124
 [<ffffffff83338ce7>] ip_queue_xmit+0x897/0x1b60 net/ipv4/ip_output.c:500
 [<ffffffff833a0bec>] tcp_transmit_skb+0x168c/0x2e30 net/ipv4/tcp_output.c:1036
 [<ffffffff833a345b>] tcp_write_xmit+0x10cb/0x4c40 net/ipv4/tcp_output.c:2209
 [<ffffffff833a7070>] __tcp_push_pending_frames+0xa0/0x240 net/ipv4/tcp_output.c:2390
 [<ffffffff83356e5e>] tcp_push+0x3fe/0x5e0 net/ipv4/tcp.c:688
 [<ffffffff83368740>] tcp_sendmsg+0x1110/0x2ff0 net/ipv4/tcp.c:1347
 [<ffffffff83425083>] inet_sendmsg+0x203/0x4d0 net/ipv4/af_inet.c:770
 [<ffffffff83012fcc>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff83012fcc>] sock_sendmsg+0xcc/0x110 net/socket.c:645
 [<ffffffff83013233>] sock_write_iter+0x223/0x3b0 net/socket.c:843
 [<ffffffff8156c4e0>] new_sync_write fs/read_write.c:496 [inline]
 [<ffffffff8156c4e0>] __vfs_write+0x3e0/0x580 fs/read_write.c:509
 [<ffffffff815702d7>] vfs_write+0x187/0x530 fs/read_write.c:557
 [<ffffffff81574109>] SYSC_write fs/read_write.c:604 [inline]
 [<ffffffff81574109>] SyS_write+0xd9/0x1c0 fs/read_write.c:596
 [<ffffffff81006316>] do_syscall_64+0x1a6/0x490 arch/x86/entry/common.c:282
 [<ffffffff839f4653>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..