[ 1157.913154][    C2] tun0: no available key for peer 1, key-id: 0
[ 1157.977077][    C1] tun0: no available key for peer 2, key-id: 0
[ 1158.044496][   T68] tun0: no available key for peer 3, key-id: 0
[ 1158.044679][   T68] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u16:1/68
[ 1158.044875][   T68] caller is ovpn_recv+0x193/0x2b0 [ovpn]
[ 1158.044995][   T68] CPU: 1 UID: 0 PID: 68 Comm: kworker/u16:1 Not tainted 7.0.0-rc7-virtme #1 PREEMPT(full) 
[ 1158.044998][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1158.045000][   T68] Workqueue: kstrp strp_work
[ 1158.045008][   T68] Call Trace:
[ 1158.045010][   T68]  <TASK>
[ 1158.045011][   T68]  dump_stack_lvl+0x6f/0xa0
[ 1158.045018][   T68]  check_preemption_disabled+0xdb/0xf0
[ 1158.045023][   T68]  ovpn_recv+0x193/0x2b0 [ovpn]
[ 1158.045027][   T68]  ovpn_tcp_rcv+0x279/0x910 [ovpn]
[ 1158.045032][   T68]  ? ovpn_tcp_write_space+0x2e0/0x2e0 [ovpn]
[ 1158.045035][   T68]  ? __copy_skb_header+0xb7/0x440
[ 1158.045040][   T68]  ? ovpn_tcp_disconnect+0x10/0x10 [ovpn]
[ 1158.045043][   T68]  ? __skb_clone+0x400/0x760
[ 1158.045046][   T68]  __strp_recv+0x20f/0x1c30
[ 1158.045051][   T68]  ? rcu_lockdep_current_cpu_online+0x39/0x1b0
[ 1158.045057][   T68]  __tcp_read_sock+0x1c7/0x850
[ 1158.045060][   T68]  ? strp_process+0xb0/0xb0
[ 1158.045063][   T68]  ? tcp_cleanup_rbuf+0x1c0/0x1c0
[ 1158.045068][   T68]  strp_read_sock+0x20f/0x2b0
[ 1158.045071][   T68]  ? strp_stop+0x50/0x50
[ 1158.045072][   T68]  ? __lock_release.isra.0+0x6b/0x1a0
[ 1158.045077][   T68]  ? lockdep_hardirqs_on+0x8c/0x130
[ 1158.045079][   T68]  ? __local_bh_enable_ip+0xa5/0x140
[ 1158.045083][   T68]  strp_work+0x9f/0xe0
[ 1158.045085][   T68]  process_one_work+0xdf5/0x1410
[ 1158.045093][   T68]  ? pwq_dec_nr_in_flight+0x710/0x710
[ 1158.045095][   T68]  ? lock_acquire.part.0+0xbc/0x260
[ 1158.045101][   T68]  worker_thread+0x4f1/0xd60
[ 1158.045108][   T68]  ? rescuer_thread+0x1320/0x1320
[ 1158.045110][   T68]  kthread+0x364/0x460
[ 1158.045112][   T68]  ? trace_irq_enable.constprop.0+0x9b/0x180
[ 1158.045116][   T68]  ? kthread_affine_node+0x330/0x330
[ 1158.045119][   T68]  ret_from_fork+0x474/0x6b0
[ 1158.045123][   T68]  ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140
[ 1158.045126][   T68]  ? __switch_to+0x540/0xd10
[ 1158.045129][   T68]  ? kthread_affine_node+0x330/0x330
[ 1158.045132][   T68]  ret_from_fork_asm+0x11/0x20
[ 1158.045139][   T68]  </TASK>
[ 1158.118026][    C1] tun0: no available key for peer 4, key-id: 0
[ 1158.180638][    C1] tun0: no available key for peer 5, key-id: 0
[ 1158.243243][    C3] tun0: no available key for peer 6, key-id: 0

WAIT TIMEOUT stderr

Ctrl-C stderr

Ctrl-C stderr