unregister_netdevice: waiting for lo to become free. Usage count = 358 leaked reference. __netdev_tracker_alloc include/linux/netdevice.h:4043 [inline] netdev_hold include/linux/netdevice.h:4072 [inline] dst_init+0xee/0x440 net/core/dst.c:52 dst_alloc+0x155/0x190 net/core/dst.c:92 rt_dst_clone+0x54/0x680 net/ipv4/route.c:1656 ip_mc_finish_output+0xfe/0x4e0 net/ipv4/ip_output.c:348 NF_HOOK include/linux/netfilter.h:302 [inline] ip_mc_output+0x3e0/0x5d0 net/ipv4/ip_output.c:410 iptunnel_xmit+0x513/0x920 net/ipv4/ip_tunnel_core.c:82 udp_tunnel_xmit_skb+0x230/0x350 net/ipv4/udp_tunnel_core.c:172 tipc_udp_xmit+0x5ee/0xaf0 net/tipc/udp_media.c:198 tipc_udp_send_msg+0x267/0x3d0 net/tipc/udp_media.c:271 tipc_bearer_xmit_skb+0x2ed/0x450 net/tipc/bearer.c:577 tipc_disc_timeout+0x5ea/0x760 net/tipc/discover.c:338 call_timer_fn+0x1ad/0x6b0 kernel/time/timer.c:1504 expire_timers kernel/time/timer.c:1549 [inline] __run_timers+0x67c/0x890 kernel/time/timer.c:1820 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1833 handle_softirqs+0x2ee/0xa40 kernel/softirq.c:571 __do_softirq kernel/softirq.c:605 [inline] invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x157/0x240 kernel/softirq.c:654 leaked reference. __netdev_tracker_alloc include/linux/netdevice.h:4043 [inline] netdev_hold include/linux/netdevice.h:4072 [inline] dst_init+0xee/0x440 net/core/dst.c:52 dst_alloc+0x155/0x190 net/core/dst.c:92 rt_dst_clone+0x54/0x680 net/ipv4/route.c:1656 ip_mc_finish_output+0xfe/0x4e0 net/ipv4/ip_output.c:348 NF_HOOK include/linux/netfilter.h:302 [inline] ip_mc_output+0x3e0/0x5d0 net/ipv4/ip_output.c:410 iptunnel_xmit+0x513/0x920 net/ipv4/ip_tunnel_core.c:82 udp_tunnel_xmit_skb+0x230/0x350 net/ipv4/udp_tunnel_core.c:172 tipc_udp_xmit+0x5ee/0xaf0 net/tipc/udp_media.c:198 tipc_udp_send_msg+0x267/0x3d0 net/tipc/udp_media.c:271 tipc_bearer_xmit_skb+0x2ed/0x450 net/tipc/bearer.c:577 tipc_disc_timeout+0x5ea/0x760 net/tipc/discover.c:338 call_timer_fn+0x1ad/0x6b0 kernel/time/timer.c:1504 expire_timers kernel/time/timer.c:1549 [inline] __run_timers+0x67c/0x890 kernel/time/timer.c:1820 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1833 handle_softirqs+0x2ee/0xa40 kernel/softirq.c:571 __do_softirq kernel/softirq.c:605 [inline] invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x157/0x240 kernel/softirq.c:654 leaked reference. __netdev_tracker_alloc include/linux/netdevice.h:4043 [inline] netdev_hold include/linux/netdevice.h:4072 [inline] dst_init+0xee/0x440 net/core/dst.c:52 dst_alloc+0x155/0x190 net/core/dst.c:92 rt_dst_clone+0x54/0x680 net/ipv4/route.c:1656 ip_mc_finish_output+0xfe/0x4e0 net/ipv4/ip_output.c:348 NF_HOOK include/linux/netfilter.h:302 [inline] ip_mc_output+0x3e0/0x5d0 net/ipv4/ip_output.c:410 iptunnel_xmit+0x513/0x920 net/ipv4/ip_tunnel_core.c:82 udp_tunnel_xmit_skb+0x230/0x350 net/ipv4/udp_tunnel_core.c:172 tipc_udp_xmit+0x5ee/0xaf0 net/tipc/udp_media.c:198 tipc_udp_send_msg+0x267/0x3d0 net/tipc/udp_media.c:271 tipc_bearer_xmit_skb+0x2ed/0x450 net/tipc/bearer.c:577 tipc_disc_timeout+0x5ea/0x760 net/tipc/discover.c:338 call_timer_fn+0x1ad/0x6b0 kernel/time/timer.c:1504 expire_timers kernel/time/timer.c:1549 [inline] __run_timers+0x67c/0x890 kernel/time/timer.c:1820 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1833 handle_softirqs+0x2ee/0xa40 kernel/softirq.c:571 __do_softirq kernel/softirq.c:605 [inline] invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x157/0x240 kernel/softirq.c:654 leaked reference. __netdev_tracker_alloc include/linux/netdevice.h:4043 [inline] netdev_hold include/linux/netdevice.h:4072 [inline] dst_init+0xee/0x440 net/core/dst.c:52 dst_alloc+0x155/0x190 net/core/dst.c:92 rt_dst_clone+0x54/0x680 net/ipv4/route.c:1656 ip_mc_finish_output+0xfe/0x4e0 net/ipv4/ip_output.c:348 NF_HOOK include/linux/netfilter.h:302 [inline] ip_mc_output+0x3e0/0x5d0 net/ipv4/ip_output.c:410 iptunnel_xmit+0x513/0x920 net/ipv4/ip_tunnel_core.c:82 udp_tunnel_xmit_skb+0x230/0x350 net/ipv4/udp_tunnel_core.c:172 tipc_udp_xmit+0x5ee/0xaf0 net/tipc/udp_media.c:198 tipc_udp_send_msg+0x267/0x3d0 net/tipc/udp_media.c:271 tipc_bearer_xmit_skb+0x2ed/0x450 net/tipc/bearer.c:577 tipc_disc_timeout+0x5ea/0x760 net/tipc/discover.c:338 call_timer_fn+0x1ad/0x6b0 kernel/time/timer.c:1504 expire_timers kernel/time/timer.c:1549 [inline] __run_timers+0x67c/0x890 kernel/time/timer.c:1820 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1833 handle_softirqs+0x2ee/0xa40 kernel/softirq.c:571 __do_softirq kernel/softirq.c:605 [inline] invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x157/0x240 kernel/softirq.c:654 leaked reference. __netdev_tracker_alloc include/linux/netdevice.h:4043 [inline] netdev_hold include/linux/netdevice.h:4072 [inline] dst_init+0xee/0x440 net/core/dst.c:52 dst_alloc+0x155/0x190 net/core/dst.c:92 rt_dst_clone+0x54/0x680 net/ipv4/route.c:1656 ip_mc_finish_output+0xfe/0x4e0 net/ipv4/ip_output.c:348 NF_HOOK include/linux/netfilter.h:302 [inline] ip_mc_output+0x3e0/0x5d0 net/ipv4/ip_output.c:410 iptunnel_xmit+0x513/0x920 net/ipv4/ip_tunnel_core.c:82 udp_tunnel_xmit_skb+0x230/0x350 net/ipv4/udp_tunnel_core.c:172 tipc_udp_xmit+0x5ee/0xaf0 net/tipc/udp_media.c:198 tipc_udp_send_msg+0x267/0x3d0 net/tipc/udp_media.c:271 tipc_bearer_xmit_skb+0x2ed/0x450 net/tipc/bearer.c:577 tipc_disc_timeout+0x5ea/0x760 net/tipc/discover.c:338 call_timer_fn+0x1ad/0x6b0 kernel/time/timer.c:1504 expire_timers kernel/time/timer.c:1549 [inline] __run_timers+0x67c/0x890 kernel/time/timer.c:1820 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1833 handle_softirqs+0x2ee/0xa40 kernel/softirq.c:571 __do_softirq kernel/softirq.c:605 [inline] invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x157/0x240 kernel/softirq.c:654 leaked reference. __netdev_tracker_alloc include/linux/netdevice.h:4043 [inline] netdev_hold include/linux/netdevice.h:4072 [inline] dst_init+0xee/0x440 net/core/dst.c:52 dst_alloc+0x155/0x190 net/core/dst.c:92 rt_dst_clone+0x54/0x680 net/ipv4/route.c:1656 ip_mc_finish_output+0xfe/0x4e0 net/ipv4/ip_output.c:348 NF_HOOK include/linux/netfilter.h:302 [inline] ip_mc_output+0x3e0/0x5d0 net/ipv4/ip_output.c:410 iptunnel_xmit+0x513/0x920 net/ipv4/ip_tunnel_core.c:82 udp_tunnel_xmit_skb+0x230/0x350 net/ipv4/udp_tunnel_core.c:172 tipc_udp_xmit+0x5ee/0xaf0 net/tipc/udp_media.c:198 tipc_udp_send_msg+0x267/0x3d0 net/tipc/udp_media.c:271 tipc_bearer_xmit_skb+0x2ed/0x450 net/tipc/bearer.c:577 tipc_disc_timeout+0x5ea/0x760 net/tipc/discover.c:338 call_timer_fn+0x1ad/0x6b0 kernel/time/timer.c:1504 expire_timers kernel/time/timer.c:1549 [inline] __run_timers+0x67c/0x890 kernel/time/timer.c:1820 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1833 handle_softirqs+0x2ee/0xa40 kernel/softirq.c:571 __do_softirq kernel/softirq.c:605 [inline] invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x157/0x240 kernel/softirq.c:654 leaked reference. __netdev_tracker_alloc include/linux/netdevice.h:4043 [inline] netdev_hold include/linux/netdevice.h:4072 [inline] dst_init+0xee/0x440 net/core/dst.c:52 dst_alloc+0x155/0x190 net/core/dst.c:92 rt_dst_clone+0x54/0x680 net/ipv4/route.c:1656 ip_mc_finish_output+0xfe/0x4e0 net/ipv4/ip_output.c:348 NF_HOOK include/linux/netfilter.h:302 [inline] ip_mc_output+0x3e0/0x5d0 net/ipv4/ip_output.c:410 iptunnel_xmit+0x513/0x920 net/ipv4/ip_tunnel_core.c:82 udp_tunnel_xmit_skb+0x230/0x350 net/ipv4/udp_tunnel_core.c:172 tipc_udp_xmit+0x5ee/0xaf0 net/tipc/udp_media.c:198 tipc_udp_send_msg+0x267/0x3d0 net/tipc/udp_media.c:271 tipc_bearer_xmit_skb+0x2ed/0x450 net/tipc/bearer.c:577 tipc_disc_timeout+0x5ea/0x760 net/tipc/discover.c:338 call_timer_fn+0x1ad/0x6b0 kernel/time/timer.c:1504 expire_timers kernel/time/timer.c:1549 [inline] __run_timers+0x67c/0x890 kernel/time/timer.c:1820 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1833 handle_softirqs+0x2ee/0xa40 kernel/softirq.c:571 __do_softirq kernel/softirq.c:605 [inline] invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x157/0x240 kernel/softirq.c:654 leaked reference. __netdev_tracker_alloc include/linux/netdevice.h:4043 [inline] netdev_hold include/linux/netdevice.h:4072 [inline] dst_init+0xee/0x440 net/core/dst.c:52 dst_alloc+0x155/0x190 net/core/dst.c:92 rt_dst_clone+0x54/0x680 net/ipv4/route.c:1656 ip_mc_finish_output+0xfe/0x4e0 net/ipv4/ip_output.c:348 NF_HOOK include/linux/netfilter.h:302 [inline] ip_mc_output+0x3e0/0x5d0 net/ipv4/ip_output.c:410 iptunnel_xmit+0x513/0x920 net/ipv4/ip_tunnel_core.c:82 udp_tunnel_xmit_skb+0x230/0x350 net/ipv4/udp_tunnel_core.c:172 tipc_udp_xmit+0x5ee/0xaf0 net/tipc/udp_media.c:198 tipc_udp_send_msg+0x267/0x3d0 net/tipc/udp_media.c:271 tipc_bearer_xmit_skb+0x2ed/0x450 net/tipc/bearer.c:577 tipc_disc_timeout+0x5ea/0x760 net/tipc/discover.c:338 call_timer_fn+0x1ad/0x6b0 kernel/time/timer.c:1504 expire_timers kernel/time/timer.c:1549 [inline] __run_timers+0x67c/0x890 kernel/time/timer.c:1820 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1833 handle_softirqs+0x2ee/0xa40 kernel/softirq.c:571 __do_softirq kernel/softirq.c:605 [inline] invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x157/0x240 kernel/softirq.c:654 leaked reference. __netdev_tracker_alloc include/linux/netdevice.h:4043 [inline] netdev_hold include/linux/netdevice.h:4072 [inline] dst_init+0xee/0x440 net/core/dst.c:52 dst_alloc+0x155/0x190 net/core/dst.c:92 rt_dst_clone+0x54/0x680 net/ipv4/route.c:1656 ip_mc_finish_output+0xfe/0x4e0 net/ipv4/ip_output.c:348 NF_HOOK include/linux/netfilter.h:302 [inline] ip_mc_output+0x3e0/0x5d0 net/ipv4/ip_output.c:410 iptunnel_xmit+0x513/0x920 net/ipv4/ip_tunnel_core.c:82 udp_tunnel_xmit_skb+0x230/0x350 net/ipv4/udp_tunnel_core.c:172 tipc_udp_xmit+0x5ee/0xaf0 net/tipc/udp_media.c:198 tipc_udp_send_msg+0x267/0x3d0 net/tipc/udp_media.c:271 tipc_bearer_xmit_skb+0x2ed/0x450 net/tipc/bearer.c:577 tipc_disc_timeout+0x5ea/0x760 net/tipc/discover.c:338 call_timer_fn+0x1ad/0x6b0 kernel/time/timer.c:1504 expire_timers kernel/time/timer.c:1549 [inline] __run_timers+0x67c/0x890 kernel/time/timer.c:1820 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1833 handle_softirqs+0x2ee/0xa40 kernel/softirq.c:571 __do_softirq kernel/softirq.c:605 [inline] invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x157/0x240 kernel/softirq.c:654 leaked reference. __netdev_tracker_alloc include/linux/netdevice.h:4043 [inline] netdev_hold include/linux/netdevice.h:4072 [inline] dst_init+0xee/0x440 net/core/dst.c:52 dst_alloc+0x155/0x190 net/core/dst.c:92 rt_dst_clone+0x54/0x680 net/ipv4/route.c:1656 ip_mc_finish_output+0xfe/0x4e0 net/ipv4/ip_output.c:348 NF_HOOK include/linux/netfilter.h:302 [inline] ip_mc_output+0x3e0/0x5d0 net/ipv4/ip_output.c:410 iptunnel_xmit+0x513/0x920 net/ipv4/ip_tunnel_core.c:82 udp_tunnel_xmit_skb+0x230/0x350 net/ipv4/udp_tunnel_core.c:172 tipc_udp_xmit+0x5ee/0xaf0 net/tipc/udp_media.c:198 tipc_udp_send_msg+0x267/0x3d0 net/tipc/udp_media.c:271 tipc_bearer_xmit_skb+0x2ed/0x450 net/tipc/bearer.c:577 tipc_disc_timeout+0x5ea/0x760 net/tipc/discover.c:338 call_timer_fn+0x1ad/0x6b0 kernel/time/timer.c:1504 expire_timers kernel/time/timer.c:1549 [inline] __run_timers+0x67c/0x890 kernel/time/timer.c:1820 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1833 handle_softirqs+0x2ee/0xa40 kernel/softirq.c:571 __do_softirq kernel/softirq.c:605 [inline] invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x157/0x240 kernel/softirq.c:654