[ 2676.288547][   T74] unregister_netdevice: waiting for lo to become free. Usage count = 2
[ 2676.288996][   T74] ref_tracker: lo@ffff888007cf45e0 has 1/1 users at
[ 2676.288996][   T74]      dst_init+0x84/0x4a0
[ 2676.288996][   T74]      dst_alloc+0x97/0x150
[ 2676.288996][   T74]      rt_dst_alloc+0x31/0x3b0
[ 2676.288996][   T74]      ip_route_input_slow+0xe6d/0x1f60
[ 2676.288996][   T74]      ip_route_input_noref+0xe6/0x230
[ 2676.288996][   T74]      ip_rcv_finish_core.constprop.0+0x63e/0x1470
[ 2676.288996][   T74]      ip_rcv+0x197/0x740
[ 2676.288996][   T74]      __netif_receive_skb_one_core+0x166/0x1b0
[ 2676.288996][   T74]      process_backlog+0x103/0x670
[ 2676.288996][   T74]      __napi_poll.constprop.0+0xa2/0x460
[ 2676.288996][   T74]      net_rx_action+0x49f/0xc00
[ 2676.288996][   T74]      __do_softirq+0x1f8/0x5df
[ 2676.288996][   T74] 
[ 2686.536522][   T74] unregister_netdevice: waiting for lo to become free. Usage count = 2
[ 2686.536885][   T74] ref_tracker: lo@ffff888007cf45e0 has 1/1 users at
[ 2686.536885][   T74]      dst_init+0x84/0x4a0
[ 2686.536885][   T74]      dst_alloc+0x97/0x150
[ 2686.536885][   T74]      rt_dst_alloc+0x31/0x3b0
[ 2686.536885][   T74]      ip_route_input_slow+0xe6d/0x1f60
[ 2686.536885][   T74]      ip_route_input_noref+0xe6/0x230
[ 2686.536885][   T74]      ip_rcv_finish_core.constprop.0+0x63e/0x1470
[ 2686.536885][   T74]      ip_rcv+0x197/0x740
[ 2686.536885][   T74]      __netif_receive_skb_one_core+0x166/0x1b0
[ 2686.536885][   T74]      process_backlog+0x103/0x670
[ 2686.536885][   T74]      __napi_poll.constprop.0+0xa2/0x460
[ 2686.536885][   T74]      net_rx_action+0x49f/0xc00
[ 2686.536885][   T74]      __do_softirq+0x1f8/0x5df
[ 2686.536885][   T74] 
[ 2696.784527][   T74] unregister_netdevice: waiting for lo to become free. Usage count = 2
[ 2696.784921][   T74] ref_tracker: lo@ffff888007cf45e0 has 1/1 users at
[ 2696.784921][   T74]      dst_init+0x84/0x4a0
[ 2696.784921][   T74]      dst_alloc+0x97/0x150
[ 2696.784921][   T74]      rt_dst_alloc+0x31/0x3b0
[ 2696.784921][   T74]      ip_route_input_slow+0xe6d/0x1f60
[ 2696.784921][   T74]      ip_route_input_noref+0xe6/0x230
[ 2696.784921][   T74]      ip_rcv_finish_core.constprop.0+0x63e/0x1470
[ 2696.784921][   T74]      ip_rcv+0x197/0x740
[ 2696.784921][   T74]      __netif_receive_skb_one_core+0x166/0x1b0
[ 2696.784921][   T74]      process_backlog+0x103/0x670
[ 2696.784921][   T74]      __napi_poll.constprop.0+0xa2/0x460
[ 2696.784921][   T74]      net_rx_action+0x49f/0xc00
[ 2696.784921][   T74]      __do_softirq+0x1f8/0x5df
[ 2696.784921][   T74] 
[ 2705.470905][T10411] ACPI: PM: Preparing to enter system sleep state S5
[ 2705.471539][T10411] kvm: exiting hardware virtualization
[ 2705.471738][T10411] reboot: Power down