[ 1670.011419][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 1670.011964][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 1670.011964][ T75] dst_init+0x84/0x4a0 [ 1670.011964][ T75] dst_alloc+0x97/0x150 [ 1670.011964][ T75] rt_dst_alloc+0x31/0x3b0 [ 1670.011964][ T75] ip_route_input_slow+0xe44/0x1d70 [ 1670.011964][ T75] ip_route_input_noref+0xe6/0x230 [ 1670.011964][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 1670.011964][ T75] ip_rcv+0x16b/0x470 [ 1670.011964][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 1670.011964][ T75] process_backlog+0x103/0x670 [ 1670.011964][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 1670.011964][ T75] net_rx_action+0x49f/0xc00 [ 1670.011964][ T75] __do_softirq+0x1f8/0x5df [ 1670.011964][ T75] [ 1680.027384][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 1680.027897][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 1680.027897][ T75] dst_init+0x84/0x4a0 [ 1680.027897][ T75] dst_alloc+0x97/0x150 [ 1680.027897][ T75] rt_dst_alloc+0x31/0x3b0 [ 1680.027897][ T75] ip_route_input_slow+0xe44/0x1d70 [ 1680.027897][ T75] ip_route_input_noref+0xe6/0x230 [ 1680.027897][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 1680.027897][ T75] ip_rcv+0x16b/0x470 [ 1680.027897][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 1680.027897][ T75] process_backlog+0x103/0x670 [ 1680.027897][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 1680.027897][ T75] net_rx_action+0x49f/0xc00 [ 1680.027897][ T75] __do_softirq+0x1f8/0x5df [ 1680.027897][ T75] [ 1690.275405][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 1690.275821][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 1690.275821][ T75] dst_init+0x84/0x4a0 [ 1690.275821][ T75] dst_alloc+0x97/0x150 [ 1690.275821][ T75] rt_dst_alloc+0x31/0x3b0 [ 1690.275821][ T75] ip_route_input_slow+0xe44/0x1d70 [ 1690.275821][ T75] ip_route_input_noref+0xe6/0x230 [ 1690.275821][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 1690.275821][ T75] ip_rcv+0x16b/0x470 [ 1690.275821][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 1690.275821][ T75] process_backlog+0x103/0x670 [ 1690.275821][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 1690.275821][ T75] net_rx_action+0x49f/0xc00 [ 1690.275821][ T75] __do_softirq+0x1f8/0x5df [ 1690.275821][ T75] [ 1700.523403][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 1700.523830][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 1700.523830][ T75] dst_init+0x84/0x4a0 [ 1700.523830][ T75] dst_alloc+0x97/0x150 [ 1700.523830][ T75] rt_dst_alloc+0x31/0x3b0 [ 1700.523830][ T75] ip_route_input_slow+0xe44/0x1d70 [ 1700.523830][ T75] ip_route_input_noref+0xe6/0x230 [ 1700.523830][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 1700.523830][ T75] ip_rcv+0x16b/0x470 [ 1700.523830][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 1700.523830][ T75] process_backlog+0x103/0x670 [ 1700.523830][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 1700.523830][ T75] net_rx_action+0x49f/0xc00 [ 1700.523830][ T75] __do_softirq+0x1f8/0x5df [ 1700.523830][ T75] [ 1710.771457][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 1710.771955][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 1710.771955][ T75] dst_init+0x84/0x4a0 [ 1710.771955][ T75] dst_alloc+0x97/0x150 [ 1710.771955][ T75] rt_dst_alloc+0x31/0x3b0 [ 1710.771955][ T75] ip_route_input_slow+0xe44/0x1d70 [ 1710.771955][ T75] ip_route_input_noref+0xe6/0x230 [ 1710.771955][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 1710.771955][ T75] ip_rcv+0x16b/0x470 [ 1710.771955][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 1710.771955][ T75] process_backlog+0x103/0x670 [ 1710.771955][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 1710.771955][ T75] net_rx_action+0x49f/0xc00 [ 1710.771955][ T75] __do_softirq+0x1f8/0x5df [ 1710.771955][ T75] [ 1721.019430][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 1721.019883][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 1721.019883][ T75] dst_init+0x84/0x4a0 [ 1721.019883][ T75] dst_alloc+0x97/0x150 [ 1721.019883][ T75] rt_dst_alloc+0x31/0x3b0 [ 1721.019883][ T75] ip_route_input_slow+0xe44/0x1d70 [ 1721.019883][ T75] ip_route_input_noref+0xe6/0x230 [ 1721.019883][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 1721.019883][ T75] ip_rcv+0x16b/0x470 [ 1721.019883][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 1721.019883][ T75] process_backlog+0x103/0x670 [ 1721.019883][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 1721.019883][ T75] net_rx_action+0x49f/0xc00 [ 1721.019883][ T75] __do_softirq+0x1f8/0x5df [ 1721.019883][ T75] [ 1731.267504][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 1731.267908][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 1731.267908][ T75] dst_init+0x84/0x4a0 [ 1731.267908][ T75] dst_alloc+0x97/0x150 [ 1731.267908][ T75] rt_dst_alloc+0x31/0x3b0 [ 1731.267908][ T75] ip_route_input_slow+0xe44/0x1d70 [ 1731.267908][ T75] ip_route_input_noref+0xe6/0x230 [ 1731.267908][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 1731.267908][ T75] ip_rcv+0x16b/0x470 [ 1731.267908][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 1731.267908][ T75] process_backlog+0x103/0x670 [ 1731.267908][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 1731.267908][ T75] net_rx_action+0x49f/0xc00 [ 1731.267908][ T75] __do_softirq+0x1f8/0x5df [ 1731.267908][ T75] [ 1741.515390][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 1741.515782][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 1741.515782][ T75] dst_init+0x84/0x4a0 [ 1741.515782][ T75] dst_alloc+0x97/0x150 [ 1741.515782][ T75] rt_dst_alloc+0x31/0x3b0 [ 1741.515782][ T75] ip_route_input_slow+0xe44/0x1d70 [ 1741.515782][ T75] ip_route_input_noref+0xe6/0x230 [ 1741.515782][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 1741.515782][ T75] ip_rcv+0x16b/0x470 [ 1741.515782][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 1741.515782][ T75] process_backlog+0x103/0x670 [ 1741.515782][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 1741.515782][ T75] net_rx_action+0x49f/0xc00 [ 1741.515782][ T75] __do_softirq+0x1f8/0x5df [ 1741.515782][ T75] [ 1751.763404][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 1751.763783][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 1751.763783][ T75] dst_init+0x84/0x4a0 [ 1751.763783][ T75] dst_alloc+0x97/0x150 [ 1751.763783][ T75] rt_dst_alloc+0x31/0x3b0 [ 1751.763783][ T75] ip_route_input_slow+0xe44/0x1d70 [ 1751.763783][ T75] ip_route_input_noref+0xe6/0x230 [ 1751.763783][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 1751.763783][ T75] ip_rcv+0x16b/0x470 [ 1751.763783][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 1751.763783][ T75] process_backlog+0x103/0x670 [ 1751.763783][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 1751.763783][ T75] net_rx_action+0x49f/0xc00 [ 1751.763783][ T75] __do_softirq+0x1f8/0x5df [ 1751.763783][ T75] [ 1762.011472][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 1762.011899][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 1762.011899][ T75] dst_init+0x84/0x4a0 [ 1762.011899][ T75] dst_alloc+0x97/0x150 [ 1762.011899][ T75] rt_dst_alloc+0x31/0x3b0 [ 1762.011899][ T75] ip_route_input_slow+0xe44/0x1d70 [ 1762.011899][ T75] ip_route_input_noref+0xe6/0x230 [ 1762.011899][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 1762.011899][ T75] ip_rcv+0x16b/0x470 [ 1762.011899][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 1762.011899][ T75] process_backlog+0x103/0x670 [ 1762.011899][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 1762.011899][ T75] net_rx_action+0x49f/0xc00 [ 1762.011899][ T75] __do_softirq+0x1f8/0x5df [ 1762.011899][ T75] [ 1772.259407][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 1772.259842][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 1772.259842][ T75] dst_init+0x84/0x4a0 [ 1772.259842][ T75] dst_alloc+0x97/0x150 [ 1772.259842][ T75] rt_dst_alloc+0x31/0x3b0 [ 1772.259842][ T75] ip_route_input_slow+0xe44/0x1d70 [ 1772.259842][ T75] ip_route_input_noref+0xe6/0x230 [ 1772.259842][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 1772.259842][ T75] ip_rcv+0x16b/0x470 [ 1772.259842][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 1772.259842][ T75] process_backlog+0x103/0x670 [ 1772.259842][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 1772.259842][ T75] net_rx_action+0x49f/0xc00 [ 1772.259842][ T75] __do_softirq+0x1f8/0x5df [ 1772.259842][ T75] [ 1782.507458][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 1782.508089][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 1782.508089][ T75] dst_init+0x84/0x4a0 [ 1782.508089][ T75] dst_alloc+0x97/0x150 [ 1782.508089][ T75] rt_dst_alloc+0x31/0x3b0 [ 1782.508089][ T75] ip_route_input_slow+0xe44/0x1d70 [ 1782.508089][ T75] ip_route_input_noref+0xe6/0x230 [ 1782.508089][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 1782.508089][ T75] ip_rcv+0x16b/0x470 [ 1782.508089][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 1782.508089][ T75] process_backlog+0x103/0x670 [ 1782.508089][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 1782.508089][ T75] net_rx_action+0x49f/0xc00 [ 1782.508089][ T75] __do_softirq+0x1f8/0x5df [ 1782.508089][ T75] [ 1792.755445][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 1792.755869][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 1792.755869][ T75] dst_init+0x84/0x4a0 [ 1792.755869][ T75] dst_alloc+0x97/0x150 [ 1792.755869][ T75] rt_dst_alloc+0x31/0x3b0 [ 1792.755869][ T75] ip_route_input_slow+0xe44/0x1d70 [ 1792.755869][ T75] ip_route_input_noref+0xe6/0x230 [ 1792.755869][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 1792.755869][ T75] ip_rcv+0x16b/0x470 [ 1792.755869][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 1792.755869][ T75] process_backlog+0x103/0x670 [ 1792.755869][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 1792.755869][ T75] net_rx_action+0x49f/0xc00 [ 1792.755869][ T75] __do_softirq+0x1f8/0x5df [ 1792.755869][ T75] [ 1803.003413][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 1803.003914][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 1803.003914][ T75] dst_init+0x84/0x4a0 [ 1803.003914][ T75] dst_alloc+0x97/0x150 [ 1803.003914][ T75] rt_dst_alloc+0x31/0x3b0 [ 1803.003914][ T75] ip_route_input_slow+0xe44/0x1d70 [ 1803.003914][ T75] ip_route_input_noref+0xe6/0x230 [ 1803.003914][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 1803.003914][ T75] ip_rcv+0x16b/0x470 [ 1803.003914][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 1803.003914][ T75] process_backlog+0x103/0x670 [ 1803.003914][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 1803.003914][ T75] net_rx_action+0x49f/0xc00 [ 1803.003914][ T75] __do_softirq+0x1f8/0x5df [ 1803.003914][ T75] [ 1813.251401][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 1813.251879][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 1813.251879][ T75] dst_init+0x84/0x4a0 [ 1813.251879][ T75] dst_alloc+0x97/0x150 [ 1813.251879][ T75] rt_dst_alloc+0x31/0x3b0 [ 1813.251879][ T75] ip_route_input_slow+0xe44/0x1d70 [ 1813.251879][ T75] ip_route_input_noref+0xe6/0x230 [ 1813.251879][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 1813.251879][ T75] ip_rcv+0x16b/0x470 [ 1813.251879][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 1813.251879][ T75] process_backlog+0x103/0x670 [ 1813.251879][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 1813.251879][ T75] net_rx_action+0x49f/0xc00 [ 1813.251879][ T75] __do_softirq+0x1f8/0x5df [ 1813.251879][ T75] [ 1823.499419][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 1823.499903][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 1823.499903][ T75] dst_init+0x84/0x4a0 [ 1823.499903][ T75] dst_alloc+0x97/0x150 [ 1823.499903][ T75] rt_dst_alloc+0x31/0x3b0 [ 1823.499903][ T75] ip_route_input_slow+0xe44/0x1d70 [ 1823.499903][ T75] ip_route_input_noref+0xe6/0x230 [ 1823.499903][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 1823.499903][ T75] ip_rcv+0x16b/0x470 [ 1823.499903][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 1823.499903][ T75] process_backlog+0x103/0x670 [ 1823.499903][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 1823.499903][ T75] net_rx_action+0x49f/0xc00 [ 1823.499903][ T75] __do_softirq+0x1f8/0x5df [ 1823.499903][ T75] [ 1833.747383][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 1833.747795][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 1833.747795][ T75] dst_init+0x84/0x4a0 [ 1833.747795][ T75] dst_alloc+0x97/0x150 [ 1833.747795][ T75] rt_dst_alloc+0x31/0x3b0 [ 1833.747795][ T75] ip_route_input_slow+0xe44/0x1d70 [ 1833.747795][ T75] ip_route_input_noref+0xe6/0x230 [ 1833.747795][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 1833.747795][ T75] ip_rcv+0x16b/0x470 [ 1833.747795][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 1833.747795][ T75] process_backlog+0x103/0x670 [ 1833.747795][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 1833.747795][ T75] net_rx_action+0x49f/0xc00 [ 1833.747795][ T75] __do_softirq+0x1f8/0x5df [ 1833.747795][ T75] [ 1843.995459][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 1843.995930][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 1843.995930][ T75] dst_init+0x84/0x4a0 [ 1843.995930][ T75] dst_alloc+0x97/0x150 [ 1843.995930][ T75] rt_dst_alloc+0x31/0x3b0 [ 1843.995930][ T75] ip_route_input_slow+0xe44/0x1d70 [ 1843.995930][ T75] ip_route_input_noref+0xe6/0x230 [ 1843.995930][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 1843.995930][ T75] ip_rcv+0x16b/0x470 [ 1843.995930][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 1843.995930][ T75] process_backlog+0x103/0x670 [ 1843.995930][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 1843.995930][ T75] net_rx_action+0x49f/0xc00 [ 1843.995930][ T75] __do_softirq+0x1f8/0x5df [ 1843.995930][ T75] [ 1844.547432][ T43] INFO: task modprobe:15267 blocked for more than 122 seconds. [ 1844.548046][ T43] Not tainted 6.9.0-rc6-virtme #1 [ 1844.548229][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1844.548610][ T43] task:modprobe state:D stack:25872 pid:15267 tgid:15267 ppid:62 flags:0x00004002 [ 1844.549042][ T43] Call Trace: [ 1844.549202][ T43] [ 1844.549350][ T43] __schedule+0x6e2/0x1a20 [ 1844.549539][ T43] ? __pfx___schedule+0x10/0x10 [ 1844.549717][ T43] ? schedule+0x1a5/0x210 [ 1844.549876][ T43] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1844.550092][ T43] ? schedule+0x1a5/0x210 [ 1844.550257][ T43] schedule+0xdf/0x210 [ 1844.550448][ T43] schedule_preempt_disabled+0x15/0x30 [ 1844.550647][ T43] rwsem_down_write_slowpath+0x3af/0xab0 [ 1844.550858][ T43] ? register_pernet_subsys+0x1a/0x50 [ 1844.551407][ T43] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 1844.551706][ T43] ? kasan_save_stack+0x24/0x50 [ 1844.551896][ T43] ? kasan_save_track+0x14/0x30 [ 1844.552099][ T43] ? __kasan_kmalloc+0x7f/0x90 [ 1844.552281][ T43] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1844.552535][ T43] ? register_pernet_subsys+0x1a/0x50 [ 1844.552710][ T43] ? lock_acquire+0x32/0xc0 [ 1844.552899][ T43] ? register_pernet_subsys+0x1a/0x50 [ 1844.553104][ T43] down_write+0x1c9/0x200 [ 1844.553247][ T43] ? __pfx_down_write+0x10/0x10 [ 1844.553461][ T43] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 1844.553651][ T43] ? __pfx_nf_flow_table_module_init+0x10/0x10 [nf_flow_table] [ 1844.553958][ T43] register_pernet_subsys+0x1a/0x50 [ 1844.554163][ T43] nf_flow_table_module_init+0x19/0xff0 [nf_flow_table] [ 1844.554430][ T43] ? __pfx_nf_flow_table_module_init+0x10/0x10 [nf_flow_table] [ 1844.554712][ T43] do_one_initcall+0x8d/0x1e0 [ 1844.554912][ T43] ? __pfx_do_one_initcall+0x10/0x10 [ 1844.555116][ T43] ? __create_object+0x5e/0xb0 [ 1844.555341][ T43] ? trace_kmalloc+0x2a/0xe0 [ 1844.555540][ T43] ? kasan_unpoison+0x27/0x60 [ 1844.555748][ T43] ? __asan_register_globals+0x5d/0x80 [ 1844.555948][ T43] do_init_module+0x233/0x750 [ 1844.556159][ T43] init_module_from_file+0xd2/0x130 [ 1844.556390][ T43] ? __pfx_init_module_from_file+0x10/0x10 [ 1844.556639][ T43] ? __lock_release+0x103/0x460 [ 1844.556833][ T43] ? idempotent_init_module+0x32a/0x620 [ 1844.557055][ T43] ? idempotent_init_module+0x32a/0x620 [ 1844.557254][ T43] ? do_raw_spin_unlock+0x58/0x220 [ 1844.557482][ T43] idempotent_init_module+0x342/0x620 [ 1844.557685][ T43] ? __pfx_idempotent_init_module+0x10/0x10 [ 1844.557951][ T43] __x64_sys_finit_module+0xbe/0x130 [ 1844.558141][ T43] do_syscall_64+0xc3/0x1d0 [ 1844.558348][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1844.558578][ T43] RIP: 0033:0x7fb27e372e5d [ 1844.558778][ T43] RSP: 002b:00007ffc772a2508 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 1844.559077][ T43] RAX: ffffffffffffffda RBX: 000055711b644bc0 RCX: 00007fb27e372e5d [ 1844.559371][ T43] RDX: 0000000000000000 RSI: 00005570e70c5a2a RDI: 0000000000000000 [ 1844.559641][ T43] RBP: 0000000000040000 R08: 0000000000000000 R09: 000055711b645860 [ 1844.559910][ T43] R10: 0000000000000000 R11: 0000000000000246 R12: 00005570e70c5a2a [ 1844.560186][ T43] R13: 000055711b644c40 R14: 000055711b6464c0 R15: 0000000000000000 [ 1844.560577][ T43] [ 1844.560734][ T43] [ 1844.560734][ T43] Showing all locks held in the system: [ 1844.561005][ T43] 1 lock held by khungtaskd/43: [ 1844.561193][ T43] #0: ffffffffb1952fe0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x70/0x3a0 [ 1844.561552][ T43] 2 locks held by kworker/u18:1/62: [ 1844.561734][ T43] #0: ffff8880010a9d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xda6/0x1730 [ 1844.562144][ T43] #1: ffffc9000043fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0xde2/0x1730 [ 1844.562606][ T43] 3 locks held by kworker/u16:1/75: [ 1844.562798][ T43] #0: ffff8880018fa948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xda6/0x1730 [ 1844.563183][ T43] #1: ffffc9000050fda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0xde2/0x1730 [ 1844.563535][ T43] #2: ffffffffb21884d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xa20 [ 1844.563871][ T43] 1 lock held by modprobe/15267: [ 1844.564058][ T43] #0: ffffffffb21884d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 1844.564486][ T43] [ 1844.564589][ T43] ============================================= [ 1844.564589][ T43] [ 1854.243407][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 1854.243768][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 1854.243768][ T75] dst_init+0x84/0x4a0 [ 1854.243768][ T75] dst_alloc+0x97/0x150 [ 1854.243768][ T75] rt_dst_alloc+0x31/0x3b0 [ 1854.243768][ T75] ip_route_input_slow+0xe44/0x1d70 [ 1854.243768][ T75] ip_route_input_noref+0xe6/0x230 [ 1854.243768][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 1854.243768][ T75] ip_rcv+0x16b/0x470 [ 1854.243768][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 1854.243768][ T75] process_backlog+0x103/0x670 [ 1854.243768][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 1854.243768][ T75] net_rx_action+0x49f/0xc00 [ 1854.243768][ T75] __do_softirq+0x1f8/0x5df [ 1854.243768][ T75] [ 1864.491361][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 1864.491730][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 1864.491730][ T75] dst_init+0x84/0x4a0 [ 1864.491730][ T75] dst_alloc+0x97/0x150 [ 1864.491730][ T75] rt_dst_alloc+0x31/0x3b0 [ 1864.491730][ T75] ip_route_input_slow+0xe44/0x1d70 [ 1864.491730][ T75] ip_route_input_noref+0xe6/0x230 [ 1864.491730][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 1864.491730][ T75] ip_rcv+0x16b/0x470 [ 1864.491730][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 1864.491730][ T75] process_backlog+0x103/0x670 [ 1864.491730][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 1864.491730][ T75] net_rx_action+0x49f/0xc00 [ 1864.491730][ T75] __do_softirq+0x1f8/0x5df [ 1864.491730][ T75] [ 1874.739398][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 1874.739859][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 1874.739859][ T75] dst_init+0x84/0x4a0 [ 1874.739859][ T75] dst_alloc+0x97/0x150 [ 1874.739859][ T75] rt_dst_alloc+0x31/0x3b0 [ 1874.739859][ T75] ip_route_input_slow+0xe44/0x1d70 [ 1874.739859][ T75] ip_route_input_noref+0xe6/0x230 [ 1874.739859][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 1874.739859][ T75] ip_rcv+0x16b/0x470 [ 1874.739859][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 1874.739859][ T75] process_backlog+0x103/0x670 [ 1874.739859][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 1874.739859][ T75] net_rx_action+0x49f/0xc00 [ 1874.739859][ T75] __do_softirq+0x1f8/0x5df [ 1874.739859][ T75] [ 1884.987497][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 1884.987932][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 1884.987932][ T75] dst_init+0x84/0x4a0 [ 1884.987932][ T75] dst_alloc+0x97/0x150 [ 1884.987932][ T75] rt_dst_alloc+0x31/0x3b0 [ 1884.987932][ T75] ip_route_input_slow+0xe44/0x1d70 [ 1884.987932][ T75] ip_route_input_noref+0xe6/0x230 [ 1884.987932][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 1884.987932][ T75] ip_rcv+0x16b/0x470 [ 1884.987932][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 1884.987932][ T75] process_backlog+0x103/0x670 [ 1884.987932][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 1884.987932][ T75] net_rx_action+0x49f/0xc00 [ 1884.987932][ T75] __do_softirq+0x1f8/0x5df [ 1884.987932][ T75] [ 1895.243391][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 1895.243884][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 1895.243884][ T75] dst_init+0x84/0x4a0 [ 1895.243884][ T75] dst_alloc+0x97/0x150 [ 1895.243884][ T75] rt_dst_alloc+0x31/0x3b0 [ 1895.243884][ T75] ip_route_input_slow+0xe44/0x1d70 [ 1895.243884][ T75] ip_route_input_noref+0xe6/0x230 [ 1895.243884][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 1895.243884][ T75] ip_rcv+0x16b/0x470 [ 1895.243884][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 1895.243884][ T75] process_backlog+0x103/0x670 [ 1895.243884][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 1895.243884][ T75] net_rx_action+0x49f/0xc00 [ 1895.243884][ T75] __do_softirq+0x1f8/0x5df [ 1895.243884][ T75] [ 1905.491488][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 1905.491900][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 1905.491900][ T75] dst_init+0x84/0x4a0 [ 1905.491900][ T75] dst_alloc+0x97/0x150 [ 1905.491900][ T75] rt_dst_alloc+0x31/0x3b0 [ 1905.491900][ T75] ip_route_input_slow+0xe44/0x1d70 [ 1905.491900][ T75] ip_route_input_noref+0xe6/0x230 [ 1905.491900][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 1905.491900][ T75] ip_rcv+0x16b/0x470 [ 1905.491900][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 1905.491900][ T75] process_backlog+0x103/0x670 [ 1905.491900][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 1905.491900][ T75] net_rx_action+0x49f/0xc00 [ 1905.491900][ T75] __do_softirq+0x1f8/0x5df [ 1905.491900][ T75] [ 1915.739413][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 1915.739840][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 1915.739840][ T75] dst_init+0x84/0x4a0 [ 1915.739840][ T75] dst_alloc+0x97/0x150 [ 1915.739840][ T75] rt_dst_alloc+0x31/0x3b0 [ 1915.739840][ T75] ip_route_input_slow+0xe44/0x1d70 [ 1915.739840][ T75] ip_route_input_noref+0xe6/0x230 [ 1915.739840][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 1915.739840][ T75] ip_rcv+0x16b/0x470 [ 1915.739840][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 1915.739840][ T75] process_backlog+0x103/0x670 [ 1915.739840][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 1915.739840][ T75] net_rx_action+0x49f/0xc00 [ 1915.739840][ T75] __do_softirq+0x1f8/0x5df [ 1915.739840][ T75] [ 1925.987386][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 1925.987827][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 1925.987827][ T75] dst_init+0x84/0x4a0 [ 1925.987827][ T75] dst_alloc+0x97/0x150 [ 1925.987827][ T75] rt_dst_alloc+0x31/0x3b0 [ 1925.987827][ T75] ip_route_input_slow+0xe44/0x1d70 [ 1925.987827][ T75] ip_route_input_noref+0xe6/0x230 [ 1925.987827][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 1925.987827][ T75] ip_rcv+0x16b/0x470 [ 1925.987827][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 1925.987827][ T75] process_backlog+0x103/0x670 [ 1925.987827][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 1925.987827][ T75] net_rx_action+0x49f/0xc00 [ 1925.987827][ T75] __do_softirq+0x1f8/0x5df [ 1925.987827][ T75] [ 1936.235469][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 1936.235855][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 1936.235855][ T75] dst_init+0x84/0x4a0 [ 1936.235855][ T75] dst_alloc+0x97/0x150 [ 1936.235855][ T75] rt_dst_alloc+0x31/0x3b0 [ 1936.235855][ T75] ip_route_input_slow+0xe44/0x1d70 [ 1936.235855][ T75] ip_route_input_noref+0xe6/0x230 [ 1936.235855][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 1936.235855][ T75] ip_rcv+0x16b/0x470 [ 1936.235855][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 1936.235855][ T75] process_backlog+0x103/0x670 [ 1936.235855][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 1936.235855][ T75] net_rx_action+0x49f/0xc00 [ 1936.235855][ T75] __do_softirq+0x1f8/0x5df [ 1936.235855][ T75] [ 1946.483406][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 1946.483783][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 1946.483783][ T75] dst_init+0x84/0x4a0 [ 1946.483783][ T75] dst_alloc+0x97/0x150 [ 1946.483783][ T75] rt_dst_alloc+0x31/0x3b0 [ 1946.483783][ T75] ip_route_input_slow+0xe44/0x1d70 [ 1946.483783][ T75] ip_route_input_noref+0xe6/0x230 [ 1946.483783][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 1946.483783][ T75] ip_rcv+0x16b/0x470 [ 1946.483783][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 1946.483783][ T75] process_backlog+0x103/0x670 [ 1946.483783][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 1946.483783][ T75] net_rx_action+0x49f/0xc00 [ 1946.483783][ T75] __do_softirq+0x1f8/0x5df [ 1946.483783][ T75] [ 1956.731482][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 1956.731857][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 1956.731857][ T75] dst_init+0x84/0x4a0 [ 1956.731857][ T75] dst_alloc+0x97/0x150 [ 1956.731857][ T75] rt_dst_alloc+0x31/0x3b0 [ 1956.731857][ T75] ip_route_input_slow+0xe44/0x1d70 [ 1956.731857][ T75] ip_route_input_noref+0xe6/0x230 [ 1956.731857][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 1956.731857][ T75] ip_rcv+0x16b/0x470 [ 1956.731857][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 1956.731857][ T75] process_backlog+0x103/0x670 [ 1956.731857][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 1956.731857][ T75] net_rx_action+0x49f/0xc00 [ 1956.731857][ T75] __do_softirq+0x1f8/0x5df [ 1956.731857][ T75] [ 1966.979413][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 1966.979924][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 1966.979924][ T75] dst_init+0x84/0x4a0 [ 1966.979924][ T75] dst_alloc+0x97/0x150 [ 1966.979924][ T75] rt_dst_alloc+0x31/0x3b0 [ 1966.979924][ T75] ip_route_input_slow+0xe44/0x1d70 [ 1966.979924][ T75] ip_route_input_noref+0xe6/0x230 [ 1966.979924][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 1966.979924][ T75] ip_rcv+0x16b/0x470 [ 1966.979924][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 1966.979924][ T75] process_backlog+0x103/0x670 [ 1966.979924][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 1966.979924][ T75] net_rx_action+0x49f/0xc00 [ 1966.979924][ T75] __do_softirq+0x1f8/0x5df [ 1966.979924][ T75] [ 1967.427502][ T43] INFO: task modprobe:15267 blocked for more than 245 seconds. [ 1967.427818][ T43] Not tainted 6.9.0-rc6-virtme #1 [ 1967.427962][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1967.428202][ T43] task:modprobe state:D stack:25872 pid:15267 tgid:15267 ppid:62 flags:0x00004002 [ 1967.428508][ T43] Call Trace: [ 1967.428676][ T43] [ 1967.428749][ T43] __schedule+0x6e2/0x1a20 [ 1967.428895][ T43] ? __pfx___schedule+0x10/0x10 [ 1967.429020][ T43] ? schedule+0x1a5/0x210 [ 1967.429119][ T43] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1967.429258][ T43] ? schedule+0x1a5/0x210 [ 1967.429376][ T43] schedule+0xdf/0x210 [ 1967.429481][ T43] schedule_preempt_disabled+0x15/0x30 [ 1967.429606][ T43] rwsem_down_write_slowpath+0x3af/0xab0 [ 1967.429736][ T43] ? register_pernet_subsys+0x1a/0x50 [ 1967.429889][ T43] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 1967.430044][ T43] ? kasan_save_stack+0x24/0x50 [ 1967.430178][ T43] ? kasan_save_track+0x14/0x30 [ 1967.430319][ T43] ? __kasan_kmalloc+0x7f/0x90 [ 1967.430450][ T43] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1967.430579][ T43] ? register_pernet_subsys+0x1a/0x50 [ 1967.430704][ T43] ? lock_acquire+0x32/0xc0 [ 1967.430827][ T43] ? register_pernet_subsys+0x1a/0x50 [ 1967.430971][ T43] down_write+0x1c9/0x200 [ 1967.431077][ T43] ? __pfx_down_write+0x10/0x10 [ 1967.431224][ T43] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 1967.431363][ T43] ? __pfx_nf_flow_table_module_init+0x10/0x10 [nf_flow_table] [ 1967.431566][ T43] register_pernet_subsys+0x1a/0x50 [ 1967.431692][ T43] nf_flow_table_module_init+0x19/0xff0 [nf_flow_table] [ 1967.431851][ T43] ? __pfx_nf_flow_table_module_init+0x10/0x10 [nf_flow_table] [ 1967.432058][ T43] do_one_initcall+0x8d/0x1e0 [ 1967.432190][ T43] ? __pfx_do_one_initcall+0x10/0x10 [ 1967.432350][ T43] ? __create_object+0x5e/0xb0 [ 1967.432479][ T43] ? trace_kmalloc+0x2a/0xe0 [ 1967.432609][ T43] ? kasan_unpoison+0x27/0x60 [ 1967.432736][ T43] ? __asan_register_globals+0x5d/0x80 [ 1967.432873][ T43] do_init_module+0x233/0x750 [ 1967.433007][ T43] init_module_from_file+0xd2/0x130 [ 1967.433139][ T43] ? __pfx_init_module_from_file+0x10/0x10 [ 1967.433315][ T43] ? __lock_release+0x103/0x460 [ 1967.433440][ T43] ? idempotent_init_module+0x32a/0x620 [ 1967.433585][ T43] ? idempotent_init_module+0x32a/0x620 [ 1967.433709][ T43] ? do_raw_spin_unlock+0x58/0x220 [ 1967.433841][ T43] idempotent_init_module+0x342/0x620 [ 1967.433968][ T43] ? __pfx_idempotent_init_module+0x10/0x10 [ 1967.434157][ T43] __x64_sys_finit_module+0xbe/0x130 [ 1967.434283][ T43] do_syscall_64+0xc3/0x1d0 [ 1967.434433][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1967.434597][ T43] RIP: 0033:0x7fb27e372e5d [ 1967.434726][ T43] RSP: 002b:00007ffc772a2508 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 1967.434917][ T43] RAX: ffffffffffffffda RBX: 000055711b644bc0 RCX: 00007fb27e372e5d [ 1967.435109][ T43] RDX: 0000000000000000 RSI: 00005570e70c5a2a RDI: 0000000000000000 [ 1967.435315][ T43] RBP: 0000000000040000 R08: 0000000000000000 R09: 000055711b645860 [ 1967.435506][ T43] R10: 0000000000000000 R11: 0000000000000246 R12: 00005570e70c5a2a [ 1967.435697][ T43] R13: 000055711b644c40 R14: 000055711b6464c0 R15: 0000000000000000 [ 1967.435911][ T43] [ 1967.436007][ T43] [ 1967.436007][ T43] Showing all locks held in the system: [ 1967.436200][ T43] 1 lock held by khungtaskd/43: [ 1967.436344][ T43] #0: ffffffffb1952fe0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x70/0x3a0 [ 1967.436572][ T43] 2 locks held by kworker/u18:1/62: [ 1967.436705][ T43] #0: ffff8880010a9d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xda6/0x1730 [ 1967.436954][ T43] #1: ffffc9000043fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0xde2/0x1730 [ 1967.437254][ T43] 3 locks held by kworker/u16:1/75: [ 1967.437389][ T43] #0: ffff8880018fa948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xda6/0x1730 [ 1967.437640][ T43] #1: ffffc9000050fda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0xde2/0x1730 [ 1967.437865][ T43] #2: ffffffffb21884d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xa20 [ 1967.438108][ T43] 1 lock held by modprobe/15267: [ 1967.438230][ T43] #0: ffffffffb21884d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 1967.438507][ T43] [ 1967.438569][ T43] ============================================= [ 1967.438569][ T43] [ 1977.227511][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 1977.227956][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 1977.227956][ T75] dst_init+0x84/0x4a0 [ 1977.227956][ T75] dst_alloc+0x97/0x150 [ 1977.227956][ T75] rt_dst_alloc+0x31/0x3b0 [ 1977.227956][ T75] ip_route_input_slow+0xe44/0x1d70 [ 1977.227956][ T75] ip_route_input_noref+0xe6/0x230 [ 1977.227956][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 1977.227956][ T75] ip_rcv+0x16b/0x470 [ 1977.227956][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 1977.227956][ T75] process_backlog+0x103/0x670 [ 1977.227956][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 1977.227956][ T75] net_rx_action+0x49f/0xc00 [ 1977.227956][ T75] __do_softirq+0x1f8/0x5df [ 1977.227956][ T75] [ 1987.475430][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 1987.475938][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 1987.475938][ T75] dst_init+0x84/0x4a0 [ 1987.475938][ T75] dst_alloc+0x97/0x150 [ 1987.475938][ T75] rt_dst_alloc+0x31/0x3b0 [ 1987.475938][ T75] ip_route_input_slow+0xe44/0x1d70 [ 1987.475938][ T75] ip_route_input_noref+0xe6/0x230 [ 1987.475938][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 1987.475938][ T75] ip_rcv+0x16b/0x470 [ 1987.475938][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 1987.475938][ T75] process_backlog+0x103/0x670 [ 1987.475938][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 1987.475938][ T75] net_rx_action+0x49f/0xc00 [ 1987.475938][ T75] __do_softirq+0x1f8/0x5df [ 1987.475938][ T75] [ 1997.723453][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 1997.723955][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 1997.723955][ T75] dst_init+0x84/0x4a0 [ 1997.723955][ T75] dst_alloc+0x97/0x150 [ 1997.723955][ T75] rt_dst_alloc+0x31/0x3b0 [ 1997.723955][ T75] ip_route_input_slow+0xe44/0x1d70 [ 1997.723955][ T75] ip_route_input_noref+0xe6/0x230 [ 1997.723955][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 1997.723955][ T75] ip_rcv+0x16b/0x470 [ 1997.723955][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 1997.723955][ T75] process_backlog+0x103/0x670 [ 1997.723955][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 1997.723955][ T75] net_rx_action+0x49f/0xc00 [ 1997.723955][ T75] __do_softirq+0x1f8/0x5df [ 1997.723955][ T75] [ 2007.971420][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2007.971795][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2007.971795][ T75] dst_init+0x84/0x4a0 [ 2007.971795][ T75] dst_alloc+0x97/0x150 [ 2007.971795][ T75] rt_dst_alloc+0x31/0x3b0 [ 2007.971795][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2007.971795][ T75] ip_route_input_noref+0xe6/0x230 [ 2007.971795][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2007.971795][ T75] ip_rcv+0x16b/0x470 [ 2007.971795][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2007.971795][ T75] process_backlog+0x103/0x670 [ 2007.971795][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2007.971795][ T75] net_rx_action+0x49f/0xc00 [ 2007.971795][ T75] __do_softirq+0x1f8/0x5df [ 2007.971795][ T75] [ 2018.219439][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2018.219805][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2018.219805][ T75] dst_init+0x84/0x4a0 [ 2018.219805][ T75] dst_alloc+0x97/0x150 [ 2018.219805][ T75] rt_dst_alloc+0x31/0x3b0 [ 2018.219805][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2018.219805][ T75] ip_route_input_noref+0xe6/0x230 [ 2018.219805][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2018.219805][ T75] ip_rcv+0x16b/0x470 [ 2018.219805][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2018.219805][ T75] process_backlog+0x103/0x670 [ 2018.219805][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2018.219805][ T75] net_rx_action+0x49f/0xc00 [ 2018.219805][ T75] __do_softirq+0x1f8/0x5df [ 2018.219805][ T75] [ 2028.467359][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2028.467867][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2028.467867][ T75] dst_init+0x84/0x4a0 [ 2028.467867][ T75] dst_alloc+0x97/0x150 [ 2028.467867][ T75] rt_dst_alloc+0x31/0x3b0 [ 2028.467867][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2028.467867][ T75] ip_route_input_noref+0xe6/0x230 [ 2028.467867][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2028.467867][ T75] ip_rcv+0x16b/0x470 [ 2028.467867][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2028.467867][ T75] process_backlog+0x103/0x670 [ 2028.467867][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2028.467867][ T75] net_rx_action+0x49f/0xc00 [ 2028.467867][ T75] __do_softirq+0x1f8/0x5df [ 2028.467867][ T75] [ 2038.715495][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2038.716011][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2038.716011][ T75] dst_init+0x84/0x4a0 [ 2038.716011][ T75] dst_alloc+0x97/0x150 [ 2038.716011][ T75] rt_dst_alloc+0x31/0x3b0 [ 2038.716011][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2038.716011][ T75] ip_route_input_noref+0xe6/0x230 [ 2038.716011][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2038.716011][ T75] ip_rcv+0x16b/0x470 [ 2038.716011][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2038.716011][ T75] process_backlog+0x103/0x670 [ 2038.716011][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2038.716011][ T75] net_rx_action+0x49f/0xc00 [ 2038.716011][ T75] __do_softirq+0x1f8/0x5df [ 2038.716011][ T75] [ 2048.963474][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2048.963886][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2048.963886][ T75] dst_init+0x84/0x4a0 [ 2048.963886][ T75] dst_alloc+0x97/0x150 [ 2048.963886][ T75] rt_dst_alloc+0x31/0x3b0 [ 2048.963886][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2048.963886][ T75] ip_route_input_noref+0xe6/0x230 [ 2048.963886][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2048.963886][ T75] ip_rcv+0x16b/0x470 [ 2048.963886][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2048.963886][ T75] process_backlog+0x103/0x670 [ 2048.963886][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2048.963886][ T75] net_rx_action+0x49f/0xc00 [ 2048.963886][ T75] __do_softirq+0x1f8/0x5df [ 2048.963886][ T75] [ 2059.211485][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2059.211897][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2059.211897][ T75] dst_init+0x84/0x4a0 [ 2059.211897][ T75] dst_alloc+0x97/0x150 [ 2059.211897][ T75] rt_dst_alloc+0x31/0x3b0 [ 2059.211897][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2059.211897][ T75] ip_route_input_noref+0xe6/0x230 [ 2059.211897][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2059.211897][ T75] ip_rcv+0x16b/0x470 [ 2059.211897][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2059.211897][ T75] process_backlog+0x103/0x670 [ 2059.211897][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2059.211897][ T75] net_rx_action+0x49f/0xc00 [ 2059.211897][ T75] __do_softirq+0x1f8/0x5df [ 2059.211897][ T75] [ 2069.459488][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2069.459921][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2069.459921][ T75] dst_init+0x84/0x4a0 [ 2069.459921][ T75] dst_alloc+0x97/0x150 [ 2069.459921][ T75] rt_dst_alloc+0x31/0x3b0 [ 2069.459921][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2069.459921][ T75] ip_route_input_noref+0xe6/0x230 [ 2069.459921][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2069.459921][ T75] ip_rcv+0x16b/0x470 [ 2069.459921][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2069.459921][ T75] process_backlog+0x103/0x670 [ 2069.459921][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2069.459921][ T75] net_rx_action+0x49f/0xc00 [ 2069.459921][ T75] __do_softirq+0x1f8/0x5df [ 2069.459921][ T75] [ 2079.707457][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2079.707921][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2079.707921][ T75] dst_init+0x84/0x4a0 [ 2079.707921][ T75] dst_alloc+0x97/0x150 [ 2079.707921][ T75] rt_dst_alloc+0x31/0x3b0 [ 2079.707921][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2079.707921][ T75] ip_route_input_noref+0xe6/0x230 [ 2079.707921][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2079.707921][ T75] ip_rcv+0x16b/0x470 [ 2079.707921][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2079.707921][ T75] process_backlog+0x103/0x670 [ 2079.707921][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2079.707921][ T75] net_rx_action+0x49f/0xc00 [ 2079.707921][ T75] __do_softirq+0x1f8/0x5df [ 2079.707921][ T75] [ 2089.955504][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2089.955986][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2089.955986][ T75] dst_init+0x84/0x4a0 [ 2089.955986][ T75] dst_alloc+0x97/0x150 [ 2089.955986][ T75] rt_dst_alloc+0x31/0x3b0 [ 2089.955986][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2089.955986][ T75] ip_route_input_noref+0xe6/0x230 [ 2089.955986][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2089.955986][ T75] ip_rcv+0x16b/0x470 [ 2089.955986][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2089.955986][ T75] process_backlog+0x103/0x670 [ 2089.955986][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2089.955986][ T75] net_rx_action+0x49f/0xc00 [ 2089.955986][ T75] __do_softirq+0x1f8/0x5df [ 2089.955986][ T75] [ 2090.307459][ T43] INFO: task modprobe:15267 blocked for more than 368 seconds. [ 2090.307879][ T43] Not tainted 6.9.0-rc6-virtme #1 [ 2090.308023][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 2090.308243][ T43] task:modprobe state:D stack:25872 pid:15267 tgid:15267 ppid:62 flags:0x00004002 [ 2090.308544][ T43] Call Trace: [ 2090.308651][ T43] [ 2090.308730][ T43] __schedule+0x6e2/0x1a20 [ 2090.308880][ T43] ? __pfx___schedule+0x10/0x10 [ 2090.309017][ T43] ? schedule+0x1a5/0x210 [ 2090.309125][ T43] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 2090.309279][ T43] ? schedule+0x1a5/0x210 [ 2090.309404][ T43] schedule+0xdf/0x210 [ 2090.309512][ T43] schedule_preempt_disabled+0x15/0x30 [ 2090.309650][ T43] rwsem_down_write_slowpath+0x3af/0xab0 [ 2090.309792][ T43] ? register_pernet_subsys+0x1a/0x50 [ 2090.309936][ T43] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 2090.310104][ T43] ? kasan_save_stack+0x24/0x50 [ 2090.310237][ T43] ? kasan_save_track+0x14/0x30 [ 2090.310403][ T43] ? __kasan_kmalloc+0x7f/0x90 [ 2090.310542][ T43] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 2090.310683][ T43] ? register_pernet_subsys+0x1a/0x50 [ 2090.310817][ T43] ? lock_acquire+0x32/0xc0 [ 2090.310952][ T43] ? register_pernet_subsys+0x1a/0x50 [ 2090.311101][ T43] down_write+0x1c9/0x200 [ 2090.311206][ T43] ? __pfx_down_write+0x10/0x10 [ 2090.311357][ T43] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2090.311507][ T43] ? __pfx_nf_flow_table_module_init+0x10/0x10 [nf_flow_table] [ 2090.311721][ T43] register_pernet_subsys+0x1a/0x50 [ 2090.311856][ T43] nf_flow_table_module_init+0x19/0xff0 [nf_flow_table] [ 2090.312030][ T43] ? __pfx_nf_flow_table_module_init+0x10/0x10 [nf_flow_table] [ 2090.312233][ T43] do_one_initcall+0x8d/0x1e0 [ 2090.312402][ T43] ? __pfx_do_one_initcall+0x10/0x10 [ 2090.312554][ T43] ? __create_object+0x5e/0xb0 [ 2090.312693][ T43] ? trace_kmalloc+0x2a/0xe0 [ 2090.312832][ T43] ? kasan_unpoison+0x27/0x60 [ 2090.312972][ T43] ? __asan_register_globals+0x5d/0x80 [ 2090.313110][ T43] do_init_module+0x233/0x750 [ 2090.313260][ T43] init_module_from_file+0xd2/0x130 [ 2090.313410][ T43] ? __pfx_init_module_from_file+0x10/0x10 [ 2090.313582][ T43] ? __lock_release+0x103/0x460 [ 2090.313717][ T43] ? idempotent_init_module+0x32a/0x620 [ 2090.313869][ T43] ? idempotent_init_module+0x32a/0x620 [ 2090.314004][ T43] ? do_raw_spin_unlock+0x58/0x220 [ 2090.314147][ T43] idempotent_init_module+0x342/0x620 [ 2090.314287][ T43] ? __pfx_idempotent_init_module+0x10/0x10 [ 2090.314484][ T43] __x64_sys_finit_module+0xbe/0x130 [ 2090.314625][ T43] do_syscall_64+0xc3/0x1d0 [ 2090.314768][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2090.314942][ T43] RIP: 0033:0x7fb27e372e5d [ 2090.315082][ T43] RSP: 002b:00007ffc772a2508 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 2090.315290][ T43] RAX: ffffffffffffffda RBX: 000055711b644bc0 RCX: 00007fb27e372e5d [ 2090.315512][ T43] RDX: 0000000000000000 RSI: 00005570e70c5a2a RDI: 0000000000000000 [ 2090.315714][ T43] RBP: 0000000000040000 R08: 0000000000000000 R09: 000055711b645860 [ 2090.315919][ T43] R10: 0000000000000000 R11: 0000000000000246 R12: 00005570e70c5a2a [ 2090.316120][ T43] R13: 000055711b644c40 R14: 000055711b6464c0 R15: 0000000000000000 [ 2090.316361][ T43] [ 2090.316471][ T43] [ 2090.316471][ T43] Showing all locks held in the system: [ 2090.316667][ T43] 1 lock held by khungtaskd/43: [ 2090.316801][ T43] #0: ffffffffb1952fe0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x70/0x3a0 [ 2090.317054][ T43] 2 locks held by kworker/u18:1/62: [ 2090.317189][ T43] #0: ffff8880010a9d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xda6/0x1730 [ 2090.317480][ T43] #1: ffffc9000043fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0xde2/0x1730 [ 2090.317789][ T43] 3 locks held by kworker/u16:1/75: [ 2090.317921][ T43] #0: ffff8880018fa948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xda6/0x1730 [ 2090.318199][ T43] #1: ffffc9000050fda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0xde2/0x1730 [ 2090.318458][ T43] #2: ffffffffb21884d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xa20 [ 2090.318708][ T43] 1 lock held by modprobe/15267: [ 2090.318840][ T43] #0: ffffffffb21884d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 2090.319124][ T43] [ 2090.319190][ T43] ============================================= [ 2090.319190][ T43] [ 2100.203512][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2100.203922][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2100.203922][ T75] dst_init+0x84/0x4a0 [ 2100.203922][ T75] dst_alloc+0x97/0x150 [ 2100.203922][ T75] rt_dst_alloc+0x31/0x3b0 [ 2100.203922][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2100.203922][ T75] ip_route_input_noref+0xe6/0x230 [ 2100.203922][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2100.203922][ T75] ip_rcv+0x16b/0x470 [ 2100.203922][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2100.203922][ T75] process_backlog+0x103/0x670 [ 2100.203922][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2100.203922][ T75] net_rx_action+0x49f/0xc00 [ 2100.203922][ T75] __do_softirq+0x1f8/0x5df [ 2100.203922][ T75] [ 2110.451390][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2110.451780][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2110.451780][ T75] dst_init+0x84/0x4a0 [ 2110.451780][ T75] dst_alloc+0x97/0x150 [ 2110.451780][ T75] rt_dst_alloc+0x31/0x3b0 [ 2110.451780][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2110.451780][ T75] ip_route_input_noref+0xe6/0x230 [ 2110.451780][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2110.451780][ T75] ip_rcv+0x16b/0x470 [ 2110.451780][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2110.451780][ T75] process_backlog+0x103/0x670 [ 2110.451780][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2110.451780][ T75] net_rx_action+0x49f/0xc00 [ 2110.451780][ T75] __do_softirq+0x1f8/0x5df [ 2110.451780][ T75] [ 2120.699412][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2120.699871][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2120.699871][ T75] dst_init+0x84/0x4a0 [ 2120.699871][ T75] dst_alloc+0x97/0x150 [ 2120.699871][ T75] rt_dst_alloc+0x31/0x3b0 [ 2120.699871][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2120.699871][ T75] ip_route_input_noref+0xe6/0x230 [ 2120.699871][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2120.699871][ T75] ip_rcv+0x16b/0x470 [ 2120.699871][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2120.699871][ T75] process_backlog+0x103/0x670 [ 2120.699871][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2120.699871][ T75] net_rx_action+0x49f/0xc00 [ 2120.699871][ T75] __do_softirq+0x1f8/0x5df [ 2120.699871][ T75] [ 2130.947485][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2130.947963][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2130.947963][ T75] dst_init+0x84/0x4a0 [ 2130.947963][ T75] dst_alloc+0x97/0x150 [ 2130.947963][ T75] rt_dst_alloc+0x31/0x3b0 [ 2130.947963][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2130.947963][ T75] ip_route_input_noref+0xe6/0x230 [ 2130.947963][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2130.947963][ T75] ip_rcv+0x16b/0x470 [ 2130.947963][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2130.947963][ T75] process_backlog+0x103/0x670 [ 2130.947963][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2130.947963][ T75] net_rx_action+0x49f/0xc00 [ 2130.947963][ T75] __do_softirq+0x1f8/0x5df [ 2130.947963][ T75] [ 2141.195382][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2141.195844][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2141.195844][ T75] dst_init+0x84/0x4a0 [ 2141.195844][ T75] dst_alloc+0x97/0x150 [ 2141.195844][ T75] rt_dst_alloc+0x31/0x3b0 [ 2141.195844][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2141.195844][ T75] ip_route_input_noref+0xe6/0x230 [ 2141.195844][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2141.195844][ T75] ip_rcv+0x16b/0x470 [ 2141.195844][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2141.195844][ T75] process_backlog+0x103/0x670 [ 2141.195844][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2141.195844][ T75] net_rx_action+0x49f/0xc00 [ 2141.195844][ T75] __do_softirq+0x1f8/0x5df [ 2141.195844][ T75] [ 2151.443406][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2151.443817][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2151.443817][ T75] dst_init+0x84/0x4a0 [ 2151.443817][ T75] dst_alloc+0x97/0x150 [ 2151.443817][ T75] rt_dst_alloc+0x31/0x3b0 [ 2151.443817][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2151.443817][ T75] ip_route_input_noref+0xe6/0x230 [ 2151.443817][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2151.443817][ T75] ip_rcv+0x16b/0x470 [ 2151.443817][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2151.443817][ T75] process_backlog+0x103/0x670 [ 2151.443817][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2151.443817][ T75] net_rx_action+0x49f/0xc00 [ 2151.443817][ T75] __do_softirq+0x1f8/0x5df [ 2151.443817][ T75] [ 2161.691489][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2161.691974][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2161.691974][ T75] dst_init+0x84/0x4a0 [ 2161.691974][ T75] dst_alloc+0x97/0x150 [ 2161.691974][ T75] rt_dst_alloc+0x31/0x3b0 [ 2161.691974][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2161.691974][ T75] ip_route_input_noref+0xe6/0x230 [ 2161.691974][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2161.691974][ T75] ip_rcv+0x16b/0x470 [ 2161.691974][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2161.691974][ T75] process_backlog+0x103/0x670 [ 2161.691974][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2161.691974][ T75] net_rx_action+0x49f/0xc00 [ 2161.691974][ T75] __do_softirq+0x1f8/0x5df [ 2161.691974][ T75] [ 2171.939446][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2171.939945][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2171.939945][ T75] dst_init+0x84/0x4a0 [ 2171.939945][ T75] dst_alloc+0x97/0x150 [ 2171.939945][ T75] rt_dst_alloc+0x31/0x3b0 [ 2171.939945][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2171.939945][ T75] ip_route_input_noref+0xe6/0x230 [ 2171.939945][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2171.939945][ T75] ip_rcv+0x16b/0x470 [ 2171.939945][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2171.939945][ T75] process_backlog+0x103/0x670 [ 2171.939945][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2171.939945][ T75] net_rx_action+0x49f/0xc00 [ 2171.939945][ T75] __do_softirq+0x1f8/0x5df [ 2171.939945][ T75] [ 2182.187441][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2182.187883][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2182.187883][ T75] dst_init+0x84/0x4a0 [ 2182.187883][ T75] dst_alloc+0x97/0x150 [ 2182.187883][ T75] rt_dst_alloc+0x31/0x3b0 [ 2182.187883][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2182.187883][ T75] ip_route_input_noref+0xe6/0x230 [ 2182.187883][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2182.187883][ T75] ip_rcv+0x16b/0x470 [ 2182.187883][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2182.187883][ T75] process_backlog+0x103/0x670 [ 2182.187883][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2182.187883][ T75] net_rx_action+0x49f/0xc00 [ 2182.187883][ T75] __do_softirq+0x1f8/0x5df [ 2182.187883][ T75] [ 2192.435472][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2192.435872][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2192.435872][ T75] dst_init+0x84/0x4a0 [ 2192.435872][ T75] dst_alloc+0x97/0x150 [ 2192.435872][ T75] rt_dst_alloc+0x31/0x3b0 [ 2192.435872][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2192.435872][ T75] ip_route_input_noref+0xe6/0x230 [ 2192.435872][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2192.435872][ T75] ip_rcv+0x16b/0x470 [ 2192.435872][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2192.435872][ T75] process_backlog+0x103/0x670 [ 2192.435872][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2192.435872][ T75] net_rx_action+0x49f/0xc00 [ 2192.435872][ T75] __do_softirq+0x1f8/0x5df [ 2192.435872][ T75] [ 2202.683447][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2202.683897][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2202.683897][ T75] dst_init+0x84/0x4a0 [ 2202.683897][ T75] dst_alloc+0x97/0x150 [ 2202.683897][ T75] rt_dst_alloc+0x31/0x3b0 [ 2202.683897][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2202.683897][ T75] ip_route_input_noref+0xe6/0x230 [ 2202.683897][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2202.683897][ T75] ip_rcv+0x16b/0x470 [ 2202.683897][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2202.683897][ T75] process_backlog+0x103/0x670 [ 2202.683897][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2202.683897][ T75] net_rx_action+0x49f/0xc00 [ 2202.683897][ T75] __do_softirq+0x1f8/0x5df [ 2202.683897][ T75] [ 2212.931480][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2212.931877][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2212.931877][ T75] dst_init+0x84/0x4a0 [ 2212.931877][ T75] dst_alloc+0x97/0x150 [ 2212.931877][ T75] rt_dst_alloc+0x31/0x3b0 [ 2212.931877][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2212.931877][ T75] ip_route_input_noref+0xe6/0x230 [ 2212.931877][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2212.931877][ T75] ip_rcv+0x16b/0x470 [ 2212.931877][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2212.931877][ T75] process_backlog+0x103/0x670 [ 2212.931877][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2212.931877][ T75] net_rx_action+0x49f/0xc00 [ 2212.931877][ T75] __do_softirq+0x1f8/0x5df [ 2212.931877][ T75] [ 2213.187511][ T43] INFO: task modprobe:15267 blocked for more than 491 seconds. [ 2213.187871][ T43] Not tainted 6.9.0-rc6-virtme #1 [ 2213.188007][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 2213.188202][ T43] task:modprobe state:D stack:25872 pid:15267 tgid:15267 ppid:62 flags:0x00004002 [ 2213.188484][ T43] Call Trace: [ 2213.188579][ T43] [ 2213.188651][ T43] __schedule+0x6e2/0x1a20 [ 2213.188790][ T43] ? __pfx___schedule+0x10/0x10 [ 2213.188913][ T43] ? schedule+0x1a5/0x210 [ 2213.189009][ T43] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 2213.189142][ T43] ? schedule+0x1a5/0x210 [ 2213.189239][ T43] schedule+0xdf/0x210 [ 2213.189347][ T43] schedule_preempt_disabled+0x15/0x30 [ 2213.189504][ T43] rwsem_down_write_slowpath+0x3af/0xab0 [ 2213.189636][ T43] ? register_pernet_subsys+0x1a/0x50 [ 2213.189764][ T43] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 2213.189914][ T43] ? kasan_save_stack+0x24/0x50 [ 2213.190036][ T43] ? kasan_save_track+0x14/0x30 [ 2213.190156][ T43] ? __kasan_kmalloc+0x7f/0x90 [ 2213.190281][ T43] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 2213.190425][ T43] ? register_pernet_subsys+0x1a/0x50 [ 2213.190558][ T43] ? lock_acquire+0x32/0xc0 [ 2213.190678][ T43] ? register_pernet_subsys+0x1a/0x50 [ 2213.190812][ T43] down_write+0x1c9/0x200 [ 2213.190907][ T43] ? __pfx_down_write+0x10/0x10 [ 2213.191031][ T43] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2213.191155][ T43] ? __pfx_nf_flow_table_module_init+0x10/0x10 [nf_flow_table] [ 2213.191366][ T43] register_pernet_subsys+0x1a/0x50 [ 2213.191501][ T43] nf_flow_table_module_init+0x19/0xff0 [nf_flow_table] [ 2213.191658][ T43] ? __pfx_nf_flow_table_module_init+0x10/0x10 [nf_flow_table] [ 2213.191842][ T43] do_one_initcall+0x8d/0x1e0 [ 2213.191976][ T43] ? __pfx_do_one_initcall+0x10/0x10 [ 2213.192105][ T43] ? __create_object+0x5e/0xb0 [ 2213.192230][ T43] ? trace_kmalloc+0x2a/0xe0 [ 2213.192378][ T43] ? kasan_unpoison+0x27/0x60 [ 2213.192505][ T43] ? __asan_register_globals+0x5d/0x80 [ 2213.192641][ T43] do_init_module+0x233/0x750 [ 2213.192772][ T43] init_module_from_file+0xd2/0x130 [ 2213.192899][ T43] ? __pfx_init_module_from_file+0x10/0x10 [ 2213.193056][ T43] ? __lock_release+0x103/0x460 [ 2213.193177][ T43] ? idempotent_init_module+0x32a/0x620 [ 2213.193326][ T43] ? idempotent_init_module+0x32a/0x620 [ 2213.193448][ T43] ? do_raw_spin_unlock+0x58/0x220 [ 2213.193582][ T43] idempotent_init_module+0x342/0x620 [ 2213.193709][ T43] ? __pfx_idempotent_init_module+0x10/0x10 [ 2213.193878][ T43] __x64_sys_finit_module+0xbe/0x130 [ 2213.194002][ T43] do_syscall_64+0xc3/0x1d0 [ 2213.194135][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2213.194304][ T43] RIP: 0033:0x7fb27e372e5d [ 2213.194430][ T43] RSP: 002b:00007ffc772a2508 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 2213.194626][ T43] RAX: ffffffffffffffda RBX: 000055711b644bc0 RCX: 00007fb27e372e5d [ 2213.194809][ T43] RDX: 0000000000000000 RSI: 00005570e70c5a2a RDI: 0000000000000000 [ 2213.194993][ T43] RBP: 0000000000040000 R08: 0000000000000000 R09: 000055711b645860 [ 2213.195170][ T43] R10: 0000000000000000 R11: 0000000000000246 R12: 00005570e70c5a2a [ 2213.195368][ T43] R13: 000055711b644c40 R14: 000055711b6464c0 R15: 0000000000000000 [ 2213.195574][ T43] [ 2213.195669][ T43] [ 2213.195669][ T43] Showing all locks held in the system: [ 2213.195848][ T43] 1 lock held by khungtaskd/43: [ 2213.195967][ T43] #0: ffffffffb1952fe0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x70/0x3a0 [ 2213.196191][ T43] 2 locks held by kworker/u18:1/62: [ 2213.196334][ T43] #0: ffff8880010a9d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xda6/0x1730 [ 2213.196593][ T43] #1: ffffc9000043fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0xde2/0x1730 [ 2213.196872][ T43] 4 locks held by kworker/u16:1/75: [ 2213.196990][ T43] #0: ffff8880018fa948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xda6/0x1730 [ 2213.197236][ T43] #1: ffffc9000050fda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0xde2/0x1730 [ 2213.197470][ T43] #2: ffffffffb21884d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xa20 [ 2213.197690][ T43] #3: ffffffffb1967dc0 (rcu_state.barrier_mutex){+.+.}-{3:3}, at: rcu_barrier+0x6f/0x780 [ 2213.197913][ T43] 1 lock held by modprobe/15267: [ 2213.198030][ T43] #0: ffffffffb21884d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 2213.198272][ T43] [ 2213.198346][ T43] ============================================= [ 2213.198346][ T43] [ 2222.939458][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2222.939852][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2222.939852][ T75] dst_init+0x84/0x4a0 [ 2222.939852][ T75] dst_alloc+0x97/0x150 [ 2222.939852][ T75] rt_dst_alloc+0x31/0x3b0 [ 2222.939852][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2222.939852][ T75] ip_route_input_noref+0xe6/0x230 [ 2222.939852][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2222.939852][ T75] ip_rcv+0x16b/0x470 [ 2222.939852][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2222.939852][ T75] process_backlog+0x103/0x670 [ 2222.939852][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2222.939852][ T75] net_rx_action+0x49f/0xc00 [ 2222.939852][ T75] __do_softirq+0x1f8/0x5df [ 2222.939852][ T75] [ 2233.187419][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2233.187878][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2233.187878][ T75] dst_init+0x84/0x4a0 [ 2233.187878][ T75] dst_alloc+0x97/0x150 [ 2233.187878][ T75] rt_dst_alloc+0x31/0x3b0 [ 2233.187878][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2233.187878][ T75] ip_route_input_noref+0xe6/0x230 [ 2233.187878][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2233.187878][ T75] ip_rcv+0x16b/0x470 [ 2233.187878][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2233.187878][ T75] process_backlog+0x103/0x670 [ 2233.187878][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2233.187878][ T75] net_rx_action+0x49f/0xc00 [ 2233.187878][ T75] __do_softirq+0x1f8/0x5df [ 2233.187878][ T75] [ 2243.435433][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2243.435909][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2243.435909][ T75] dst_init+0x84/0x4a0 [ 2243.435909][ T75] dst_alloc+0x97/0x150 [ 2243.435909][ T75] rt_dst_alloc+0x31/0x3b0 [ 2243.435909][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2243.435909][ T75] ip_route_input_noref+0xe6/0x230 [ 2243.435909][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2243.435909][ T75] ip_rcv+0x16b/0x470 [ 2243.435909][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2243.435909][ T75] process_backlog+0x103/0x670 [ 2243.435909][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2243.435909][ T75] net_rx_action+0x49f/0xc00 [ 2243.435909][ T75] __do_softirq+0x1f8/0x5df [ 2243.435909][ T75] [ 2253.683430][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2253.684020][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2253.684020][ T75] dst_init+0x84/0x4a0 [ 2253.684020][ T75] dst_alloc+0x97/0x150 [ 2253.684020][ T75] rt_dst_alloc+0x31/0x3b0 [ 2253.684020][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2253.684020][ T75] ip_route_input_noref+0xe6/0x230 [ 2253.684020][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2253.684020][ T75] ip_rcv+0x16b/0x470 [ 2253.684020][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2253.684020][ T75] process_backlog+0x103/0x670 [ 2253.684020][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2253.684020][ T75] net_rx_action+0x49f/0xc00 [ 2253.684020][ T75] __do_softirq+0x1f8/0x5df [ 2253.684020][ T75] [ 2263.931422][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2263.931874][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2263.931874][ T75] dst_init+0x84/0x4a0 [ 2263.931874][ T75] dst_alloc+0x97/0x150 [ 2263.931874][ T75] rt_dst_alloc+0x31/0x3b0 [ 2263.931874][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2263.931874][ T75] ip_route_input_noref+0xe6/0x230 [ 2263.931874][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2263.931874][ T75] ip_rcv+0x16b/0x470 [ 2263.931874][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2263.931874][ T75] process_backlog+0x103/0x670 [ 2263.931874][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2263.931874][ T75] net_rx_action+0x49f/0xc00 [ 2263.931874][ T75] __do_softirq+0x1f8/0x5df [ 2263.931874][ T75] [ 2274.179454][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2274.179972][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2274.179972][ T75] dst_init+0x84/0x4a0 [ 2274.179972][ T75] dst_alloc+0x97/0x150 [ 2274.179972][ T75] rt_dst_alloc+0x31/0x3b0 [ 2274.179972][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2274.179972][ T75] ip_route_input_noref+0xe6/0x230 [ 2274.179972][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2274.179972][ T75] ip_rcv+0x16b/0x470 [ 2274.179972][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2274.179972][ T75] process_backlog+0x103/0x670 [ 2274.179972][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2274.179972][ T75] net_rx_action+0x49f/0xc00 [ 2274.179972][ T75] __do_softirq+0x1f8/0x5df [ 2274.179972][ T75] [ 2284.427397][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2284.427785][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2284.427785][ T75] dst_init+0x84/0x4a0 [ 2284.427785][ T75] dst_alloc+0x97/0x150 [ 2284.427785][ T75] rt_dst_alloc+0x31/0x3b0 [ 2284.427785][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2284.427785][ T75] ip_route_input_noref+0xe6/0x230 [ 2284.427785][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2284.427785][ T75] ip_rcv+0x16b/0x470 [ 2284.427785][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2284.427785][ T75] process_backlog+0x103/0x670 [ 2284.427785][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2284.427785][ T75] net_rx_action+0x49f/0xc00 [ 2284.427785][ T75] __do_softirq+0x1f8/0x5df [ 2284.427785][ T75] [ 2294.675487][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2294.675951][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2294.675951][ T75] dst_init+0x84/0x4a0 [ 2294.675951][ T75] dst_alloc+0x97/0x150 [ 2294.675951][ T75] rt_dst_alloc+0x31/0x3b0 [ 2294.675951][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2294.675951][ T75] ip_route_input_noref+0xe6/0x230 [ 2294.675951][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2294.675951][ T75] ip_rcv+0x16b/0x470 [ 2294.675951][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2294.675951][ T75] process_backlog+0x103/0x670 [ 2294.675951][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2294.675951][ T75] net_rx_action+0x49f/0xc00 [ 2294.675951][ T75] __do_softirq+0x1f8/0x5df [ 2294.675951][ T75] [ 2304.923416][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2304.923982][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2304.923982][ T75] dst_init+0x84/0x4a0 [ 2304.923982][ T75] dst_alloc+0x97/0x150 [ 2304.923982][ T75] rt_dst_alloc+0x31/0x3b0 [ 2304.923982][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2304.923982][ T75] ip_route_input_noref+0xe6/0x230 [ 2304.923982][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2304.923982][ T75] ip_rcv+0x16b/0x470 [ 2304.923982][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2304.923982][ T75] process_backlog+0x103/0x670 [ 2304.923982][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2304.923982][ T75] net_rx_action+0x49f/0xc00 [ 2304.923982][ T75] __do_softirq+0x1f8/0x5df [ 2304.923982][ T75] [ 2315.171415][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2315.171798][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2315.171798][ T75] dst_init+0x84/0x4a0 [ 2315.171798][ T75] dst_alloc+0x97/0x150 [ 2315.171798][ T75] rt_dst_alloc+0x31/0x3b0 [ 2315.171798][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2315.171798][ T75] ip_route_input_noref+0xe6/0x230 [ 2315.171798][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2315.171798][ T75] ip_rcv+0x16b/0x470 [ 2315.171798][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2315.171798][ T75] process_backlog+0x103/0x670 [ 2315.171798][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2315.171798][ T75] net_rx_action+0x49f/0xc00 [ 2315.171798][ T75] __do_softirq+0x1f8/0x5df [ 2315.171798][ T75] [ 2325.419403][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2325.419792][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2325.419792][ T75] dst_init+0x84/0x4a0 [ 2325.419792][ T75] dst_alloc+0x97/0x150 [ 2325.419792][ T75] rt_dst_alloc+0x31/0x3b0 [ 2325.419792][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2325.419792][ T75] ip_route_input_noref+0xe6/0x230 [ 2325.419792][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2325.419792][ T75] ip_rcv+0x16b/0x470 [ 2325.419792][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2325.419792][ T75] process_backlog+0x103/0x670 [ 2325.419792][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2325.419792][ T75] net_rx_action+0x49f/0xc00 [ 2325.419792][ T75] __do_softirq+0x1f8/0x5df [ 2325.419792][ T75] [ 2335.667493][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2335.668014][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2335.668014][ T75] dst_init+0x84/0x4a0 [ 2335.668014][ T75] dst_alloc+0x97/0x150 [ 2335.668014][ T75] rt_dst_alloc+0x31/0x3b0 [ 2335.668014][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2335.668014][ T75] ip_route_input_noref+0xe6/0x230 [ 2335.668014][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2335.668014][ T75] ip_rcv+0x16b/0x470 [ 2335.668014][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2335.668014][ T75] process_backlog+0x103/0x670 [ 2335.668014][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2335.668014][ T75] net_rx_action+0x49f/0xc00 [ 2335.668014][ T75] __do_softirq+0x1f8/0x5df [ 2335.668014][ T75] [ 2336.067445][ T43] INFO: task modprobe:15267 blocked for more than 614 seconds. [ 2336.067809][ T43] Not tainted 6.9.0-rc6-virtme #1 [ 2336.067937][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 2336.068132][ T43] task:modprobe state:D stack:25872 pid:15267 tgid:15267 ppid:62 flags:0x00004002 [ 2336.068426][ T43] Call Trace: [ 2336.068522][ T43] [ 2336.068608][ T43] __schedule+0x6e2/0x1a20 [ 2336.068754][ T43] ? __pfx___schedule+0x10/0x10 [ 2336.068881][ T43] ? schedule+0x1a5/0x210 [ 2336.068976][ T43] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 2336.069108][ T43] ? schedule+0x1a5/0x210 [ 2336.069206][ T43] schedule+0xdf/0x210 [ 2336.069321][ T43] schedule_preempt_disabled+0x15/0x30 [ 2336.069445][ T43] rwsem_down_write_slowpath+0x3af/0xab0 [ 2336.069580][ T43] ? register_pernet_subsys+0x1a/0x50 [ 2336.069717][ T43] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 2336.069866][ T43] ? kasan_save_stack+0x24/0x50 [ 2336.069988][ T43] ? kasan_save_track+0x14/0x30 [ 2336.070107][ T43] ? __kasan_kmalloc+0x7f/0x90 [ 2336.070232][ T43] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 2336.070395][ T43] ? register_pernet_subsys+0x1a/0x50 [ 2336.070530][ T43] ? lock_acquire+0x32/0xc0 [ 2336.070658][ T43] ? register_pernet_subsys+0x1a/0x50 [ 2336.070795][ T43] down_write+0x1c9/0x200 [ 2336.070891][ T43] ? __pfx_down_write+0x10/0x10 [ 2336.071016][ T43] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2336.071138][ T43] ? __pfx_nf_flow_table_module_init+0x10/0x10 [nf_flow_table] [ 2336.071361][ T43] register_pernet_subsys+0x1a/0x50 [ 2336.071484][ T43] nf_flow_table_module_init+0x19/0xff0 [nf_flow_table] [ 2336.071647][ T43] ? __pfx_nf_flow_table_module_init+0x10/0x10 [nf_flow_table] [ 2336.071830][ T43] do_one_initcall+0x8d/0x1e0 [ 2336.071959][ T43] ? __pfx_do_one_initcall+0x10/0x10 [ 2336.072086][ T43] ? __create_object+0x5e/0xb0 [ 2336.072210][ T43] ? trace_kmalloc+0x2a/0xe0 [ 2336.072357][ T43] ? kasan_unpoison+0x27/0x60 [ 2336.072484][ T43] ? __asan_register_globals+0x5d/0x80 [ 2336.072616][ T43] do_init_module+0x233/0x750 [ 2336.072747][ T43] init_module_from_file+0xd2/0x130 [ 2336.072874][ T43] ? __pfx_init_module_from_file+0x10/0x10 [ 2336.073028][ T43] ? __lock_release+0x103/0x460 [ 2336.073149][ T43] ? idempotent_init_module+0x32a/0x620 [ 2336.073283][ T43] ? idempotent_init_module+0x32a/0x620 [ 2336.073415][ T43] ? do_raw_spin_unlock+0x58/0x220 [ 2336.073542][ T43] idempotent_init_module+0x342/0x620 [ 2336.073675][ T43] ? __pfx_idempotent_init_module+0x10/0x10 [ 2336.073845][ T43] __x64_sys_finit_module+0xbe/0x130 [ 2336.073968][ T43] do_syscall_64+0xc3/0x1d0 [ 2336.074096][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2336.074250][ T43] RIP: 0033:0x7fb27e372e5d [ 2336.074411][ T43] RSP: 002b:00007ffc772a2508 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 2336.074598][ T43] RAX: ffffffffffffffda RBX: 000055711b644bc0 RCX: 00007fb27e372e5d [ 2336.074785][ T43] RDX: 0000000000000000 RSI: 00005570e70c5a2a RDI: 0000000000000000 [ 2336.074963][ T43] RBP: 0000000000040000 R08: 0000000000000000 R09: 000055711b645860 [ 2336.075140][ T43] R10: 0000000000000000 R11: 0000000000000246 R12: 00005570e70c5a2a [ 2336.075337][ T43] R13: 000055711b644c40 R14: 000055711b6464c0 R15: 0000000000000000 [ 2336.075539][ T43] [ 2336.075632][ T43] [ 2336.075632][ T43] Showing all locks held in the system: [ 2336.075812][ T43] 1 lock held by khungtaskd/43: [ 2336.075931][ T43] #0: ffffffffb1952fe0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x70/0x3a0 [ 2336.076159][ T43] 2 locks held by kworker/u18:1/62: [ 2336.076278][ T43] #0: ffff8880010a9d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xda6/0x1730 [ 2336.076562][ T43] #1: ffffc9000043fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0xde2/0x1730 [ 2336.076839][ T43] 3 locks held by kworker/u16:1/75: [ 2336.076962][ T43] #0: ffff8880018fa948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xda6/0x1730 [ 2336.077205][ T43] #1: ffffc9000050fda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0xde2/0x1730 [ 2336.077432][ T43] #2: ffffffffb21884d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xa20 [ 2336.077662][ T43] 1 lock held by modprobe/15267: [ 2336.077779][ T43] #0: ffffffffb21884d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 2336.078027][ T43] [ 2336.078088][ T43] ============================================= [ 2336.078088][ T43] [ 2345.915467][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2345.915938][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2345.915938][ T75] dst_init+0x84/0x4a0 [ 2345.915938][ T75] dst_alloc+0x97/0x150 [ 2345.915938][ T75] rt_dst_alloc+0x31/0x3b0 [ 2345.915938][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2345.915938][ T75] ip_route_input_noref+0xe6/0x230 [ 2345.915938][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2345.915938][ T75] ip_rcv+0x16b/0x470 [ 2345.915938][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2345.915938][ T75] process_backlog+0x103/0x670 [ 2345.915938][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2345.915938][ T75] net_rx_action+0x49f/0xc00 [ 2345.915938][ T75] __do_softirq+0x1f8/0x5df [ 2345.915938][ T75] [ 2356.163474][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2356.164093][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2356.164093][ T75] dst_init+0x84/0x4a0 [ 2356.164093][ T75] dst_alloc+0x97/0x150 [ 2356.164093][ T75] rt_dst_alloc+0x31/0x3b0 [ 2356.164093][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2356.164093][ T75] ip_route_input_noref+0xe6/0x230 [ 2356.164093][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2356.164093][ T75] ip_rcv+0x16b/0x470 [ 2356.164093][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2356.164093][ T75] process_backlog+0x103/0x670 [ 2356.164093][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2356.164093][ T75] net_rx_action+0x49f/0xc00 [ 2356.164093][ T75] __do_softirq+0x1f8/0x5df [ 2356.164093][ T75] [ 2366.411419][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2366.412024][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2366.412024][ T75] dst_init+0x84/0x4a0 [ 2366.412024][ T75] dst_alloc+0x97/0x150 [ 2366.412024][ T75] rt_dst_alloc+0x31/0x3b0 [ 2366.412024][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2366.412024][ T75] ip_route_input_noref+0xe6/0x230 [ 2366.412024][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2366.412024][ T75] ip_rcv+0x16b/0x470 [ 2366.412024][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2366.412024][ T75] process_backlog+0x103/0x670 [ 2366.412024][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2366.412024][ T75] net_rx_action+0x49f/0xc00 [ 2366.412024][ T75] __do_softirq+0x1f8/0x5df [ 2366.412024][ T75] [ 2376.659446][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2376.659889][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2376.659889][ T75] dst_init+0x84/0x4a0 [ 2376.659889][ T75] dst_alloc+0x97/0x150 [ 2376.659889][ T75] rt_dst_alloc+0x31/0x3b0 [ 2376.659889][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2376.659889][ T75] ip_route_input_noref+0xe6/0x230 [ 2376.659889][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2376.659889][ T75] ip_rcv+0x16b/0x470 [ 2376.659889][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2376.659889][ T75] process_backlog+0x103/0x670 [ 2376.659889][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2376.659889][ T75] net_rx_action+0x49f/0xc00 [ 2376.659889][ T75] __do_softirq+0x1f8/0x5df [ 2376.659889][ T75] [ 2386.907413][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2386.907867][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2386.907867][ T75] dst_init+0x84/0x4a0 [ 2386.907867][ T75] dst_alloc+0x97/0x150 [ 2386.907867][ T75] rt_dst_alloc+0x31/0x3b0 [ 2386.907867][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2386.907867][ T75] ip_route_input_noref+0xe6/0x230 [ 2386.907867][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2386.907867][ T75] ip_rcv+0x16b/0x470 [ 2386.907867][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2386.907867][ T75] process_backlog+0x103/0x670 [ 2386.907867][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2386.907867][ T75] net_rx_action+0x49f/0xc00 [ 2386.907867][ T75] __do_softirq+0x1f8/0x5df [ 2386.907867][ T75] [ 2397.155471][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2397.156100][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2397.156100][ T75] dst_init+0x84/0x4a0 [ 2397.156100][ T75] dst_alloc+0x97/0x150 [ 2397.156100][ T75] rt_dst_alloc+0x31/0x3b0 [ 2397.156100][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2397.156100][ T75] ip_route_input_noref+0xe6/0x230 [ 2397.156100][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2397.156100][ T75] ip_rcv+0x16b/0x470 [ 2397.156100][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2397.156100][ T75] process_backlog+0x103/0x670 [ 2397.156100][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2397.156100][ T75] net_rx_action+0x49f/0xc00 [ 2397.156100][ T75] __do_softirq+0x1f8/0x5df [ 2397.156100][ T75] [ 2407.403416][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2407.403825][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2407.403825][ T75] dst_init+0x84/0x4a0 [ 2407.403825][ T75] dst_alloc+0x97/0x150 [ 2407.403825][ T75] rt_dst_alloc+0x31/0x3b0 [ 2407.403825][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2407.403825][ T75] ip_route_input_noref+0xe6/0x230 [ 2407.403825][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2407.403825][ T75] ip_rcv+0x16b/0x470 [ 2407.403825][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2407.403825][ T75] process_backlog+0x103/0x670 [ 2407.403825][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2407.403825][ T75] net_rx_action+0x49f/0xc00 [ 2407.403825][ T75] __do_softirq+0x1f8/0x5df [ 2407.403825][ T75] [ 2417.651417][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2417.651820][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2417.651820][ T75] dst_init+0x84/0x4a0 [ 2417.651820][ T75] dst_alloc+0x97/0x150 [ 2417.651820][ T75] rt_dst_alloc+0x31/0x3b0 [ 2417.651820][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2417.651820][ T75] ip_route_input_noref+0xe6/0x230 [ 2417.651820][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2417.651820][ T75] ip_rcv+0x16b/0x470 [ 2417.651820][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2417.651820][ T75] process_backlog+0x103/0x670 [ 2417.651820][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2417.651820][ T75] net_rx_action+0x49f/0xc00 [ 2417.651820][ T75] __do_softirq+0x1f8/0x5df [ 2417.651820][ T75] [ 2427.899436][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2427.899832][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2427.899832][ T75] dst_init+0x84/0x4a0 [ 2427.899832][ T75] dst_alloc+0x97/0x150 [ 2427.899832][ T75] rt_dst_alloc+0x31/0x3b0 [ 2427.899832][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2427.899832][ T75] ip_route_input_noref+0xe6/0x230 [ 2427.899832][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2427.899832][ T75] ip_rcv+0x16b/0x470 [ 2427.899832][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2427.899832][ T75] process_backlog+0x103/0x670 [ 2427.899832][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2427.899832][ T75] net_rx_action+0x49f/0xc00 [ 2427.899832][ T75] __do_softirq+0x1f8/0x5df [ 2427.899832][ T75] [ 2438.147459][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2438.147887][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2438.147887][ T75] dst_init+0x84/0x4a0 [ 2438.147887][ T75] dst_alloc+0x97/0x150 [ 2438.147887][ T75] rt_dst_alloc+0x31/0x3b0 [ 2438.147887][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2438.147887][ T75] ip_route_input_noref+0xe6/0x230 [ 2438.147887][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2438.147887][ T75] ip_rcv+0x16b/0x470 [ 2438.147887][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2438.147887][ T75] process_backlog+0x103/0x670 [ 2438.147887][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2438.147887][ T75] net_rx_action+0x49f/0xc00 [ 2438.147887][ T75] __do_softirq+0x1f8/0x5df [ 2438.147887][ T75] [ 2448.395414][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2448.395811][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2448.395811][ T75] dst_init+0x84/0x4a0 [ 2448.395811][ T75] dst_alloc+0x97/0x150 [ 2448.395811][ T75] rt_dst_alloc+0x31/0x3b0 [ 2448.395811][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2448.395811][ T75] ip_route_input_noref+0xe6/0x230 [ 2448.395811][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2448.395811][ T75] ip_rcv+0x16b/0x470 [ 2448.395811][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2448.395811][ T75] process_backlog+0x103/0x670 [ 2448.395811][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2448.395811][ T75] net_rx_action+0x49f/0xc00 [ 2448.395811][ T75] __do_softirq+0x1f8/0x5df [ 2448.395811][ T75] [ 2458.643524][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2458.643994][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2458.643994][ T75] dst_init+0x84/0x4a0 [ 2458.643994][ T75] dst_alloc+0x97/0x150 [ 2458.643994][ T75] rt_dst_alloc+0x31/0x3b0 [ 2458.643994][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2458.643994][ T75] ip_route_input_noref+0xe6/0x230 [ 2458.643994][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2458.643994][ T75] ip_rcv+0x16b/0x470 [ 2458.643994][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2458.643994][ T75] process_backlog+0x103/0x670 [ 2458.643994][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2458.643994][ T75] net_rx_action+0x49f/0xc00 [ 2458.643994][ T75] __do_softirq+0x1f8/0x5df [ 2458.643994][ T75] [ 2458.947412][ T43] INFO: task modprobe:15267 blocked for more than 737 seconds. [ 2458.947811][ T43] Not tainted 6.9.0-rc6-virtme #1 [ 2458.947935][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 2458.948129][ T43] task:modprobe state:D stack:25872 pid:15267 tgid:15267 ppid:62 flags:0x00004002 [ 2458.948417][ T43] Call Trace: [ 2458.948514][ T43] [ 2458.948586][ T43] __schedule+0x6e2/0x1a20 [ 2458.948736][ T43] ? __pfx___schedule+0x10/0x10 [ 2458.948872][ T43] ? schedule+0x1a5/0x210 [ 2458.948968][ T43] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 2458.949100][ T43] ? schedule+0x1a5/0x210 [ 2458.949197][ T43] schedule+0xdf/0x210 [ 2458.949318][ T43] schedule_preempt_disabled+0x15/0x30 [ 2458.949444][ T43] rwsem_down_write_slowpath+0x3af/0xab0 [ 2458.949576][ T43] ? register_pernet_subsys+0x1a/0x50 [ 2458.949709][ T43] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 2458.949873][ T43] ? kasan_save_stack+0x24/0x50 [ 2458.949995][ T43] ? kasan_save_track+0x14/0x30 [ 2458.950114][ T43] ? __kasan_kmalloc+0x7f/0x90 [ 2458.950240][ T43] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 2458.950394][ T43] ? register_pernet_subsys+0x1a/0x50 [ 2458.950515][ T43] ? lock_acquire+0x32/0xc0 [ 2458.950635][ T43] ? register_pernet_subsys+0x1a/0x50 [ 2458.950769][ T43] down_write+0x1c9/0x200 [ 2458.950872][ T43] ? __pfx_down_write+0x10/0x10 [ 2458.951073][ T43] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2458.951197][ T43] ? __pfx_nf_flow_table_module_init+0x10/0x10 [nf_flow_table] [ 2458.951480][ T43] register_pernet_subsys+0x1a/0x50 [ 2458.951675][ T43] nf_flow_table_module_init+0x19/0xff0 [nf_flow_table] [ 2458.951877][ T43] ? __pfx_nf_flow_table_module_init+0x10/0x10 [nf_flow_table] [ 2458.952060][ T43] do_one_initcall+0x8d/0x1e0 [ 2458.952196][ T43] ? __pfx_do_one_initcall+0x10/0x10 [ 2458.952369][ T43] ? __create_object+0x5e/0xb0 [ 2458.952497][ T43] ? trace_kmalloc+0x2a/0xe0 [ 2458.952621][ T43] ? kasan_unpoison+0x27/0x60 [ 2458.952746][ T43] ? __asan_register_globals+0x5d/0x80 [ 2458.952872][ T43] do_init_module+0x233/0x750 [ 2458.953003][ T43] init_module_from_file+0xd2/0x130 [ 2458.953130][ T43] ? __pfx_init_module_from_file+0x10/0x10 [ 2458.953314][ T43] ? __lock_release+0x103/0x460 [ 2458.953437][ T43] ? idempotent_init_module+0x32a/0x620 [ 2458.953570][ T43] ? idempotent_init_module+0x32a/0x620 [ 2458.953693][ T43] ? do_raw_spin_unlock+0x58/0x220 [ 2458.953821][ T43] idempotent_init_module+0x342/0x620 [ 2458.953949][ T43] ? __pfx_idempotent_init_module+0x10/0x10 [ 2458.954117][ T43] __x64_sys_finit_module+0xbe/0x130 [ 2458.954247][ T43] do_syscall_64+0xc3/0x1d0 [ 2458.954395][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2458.954548][ T43] RIP: 0033:0x7fb27e372e5d [ 2458.954675][ T43] RSP: 002b:00007ffc772a2508 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 2458.954862][ T43] RAX: ffffffffffffffda RBX: 000055711b644bc0 RCX: 00007fb27e372e5d [ 2458.955044][ T43] RDX: 0000000000000000 RSI: 00005570e70c5a2a RDI: 0000000000000000 [ 2458.955229][ T43] RBP: 0000000000040000 R08: 0000000000000000 R09: 000055711b645860 [ 2458.955427][ T43] R10: 0000000000000000 R11: 0000000000000246 R12: 00005570e70c5a2a [ 2458.955612][ T43] R13: 000055711b644c40 R14: 000055711b6464c0 R15: 0000000000000000 [ 2458.955806][ T43] [ 2458.955898][ T43] [ 2458.955898][ T43] Showing all locks held in the system: [ 2458.956079][ T43] 1 lock held by khungtaskd/43: [ 2458.956203][ T43] #0: ffffffffb1952fe0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x70/0x3a0 [ 2458.956462][ T43] 2 locks held by kworker/u18:1/62: [ 2458.956586][ T43] #0: ffff8880010a9d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xda6/0x1730 [ 2458.956832][ T43] #1: ffffc9000043fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0xde2/0x1730 [ 2458.957113][ T43] 3 locks held by kworker/u16:1/75: [ 2458.957237][ T43] #0: ffff8880018fa948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xda6/0x1730 [ 2458.957501][ T43] #1: ffffc9000050fda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0xde2/0x1730 [ 2458.957720][ T43] #2: ffffffffb21884d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xa20 [ 2458.957957][ T43] 1 lock held by modprobe/15267: [ 2458.958074][ T43] #0: ffffffffb21884d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 2458.958345][ T43] [ 2458.958407][ T43] ============================================= [ 2458.958407][ T43] [ 2468.891494][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2468.892036][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2468.892036][ T75] dst_init+0x84/0x4a0 [ 2468.892036][ T75] dst_alloc+0x97/0x150 [ 2468.892036][ T75] rt_dst_alloc+0x31/0x3b0 [ 2468.892036][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2468.892036][ T75] ip_route_input_noref+0xe6/0x230 [ 2468.892036][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2468.892036][ T75] ip_rcv+0x16b/0x470 [ 2468.892036][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2468.892036][ T75] process_backlog+0x103/0x670 [ 2468.892036][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2468.892036][ T75] net_rx_action+0x49f/0xc00 [ 2468.892036][ T75] __do_softirq+0x1f8/0x5df [ 2468.892036][ T75] [ 2479.139502][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2479.139966][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2479.139966][ T75] dst_init+0x84/0x4a0 [ 2479.139966][ T75] dst_alloc+0x97/0x150 [ 2479.139966][ T75] rt_dst_alloc+0x31/0x3b0 [ 2479.139966][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2479.139966][ T75] ip_route_input_noref+0xe6/0x230 [ 2479.139966][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2479.139966][ T75] ip_rcv+0x16b/0x470 [ 2479.139966][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2479.139966][ T75] process_backlog+0x103/0x670 [ 2479.139966][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2479.139966][ T75] net_rx_action+0x49f/0xc00 [ 2479.139966][ T75] __do_softirq+0x1f8/0x5df [ 2479.139966][ T75] [ 2489.387385][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2489.387837][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2489.387837][ T75] dst_init+0x84/0x4a0 [ 2489.387837][ T75] dst_alloc+0x97/0x150 [ 2489.387837][ T75] rt_dst_alloc+0x31/0x3b0 [ 2489.387837][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2489.387837][ T75] ip_route_input_noref+0xe6/0x230 [ 2489.387837][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2489.387837][ T75] ip_rcv+0x16b/0x470 [ 2489.387837][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2489.387837][ T75] process_backlog+0x103/0x670 [ 2489.387837][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2489.387837][ T75] net_rx_action+0x49f/0xc00 [ 2489.387837][ T75] __do_softirq+0x1f8/0x5df [ 2489.387837][ T75] [ 2499.635513][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2499.635906][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2499.635906][ T75] dst_init+0x84/0x4a0 [ 2499.635906][ T75] dst_alloc+0x97/0x150 [ 2499.635906][ T75] rt_dst_alloc+0x31/0x3b0 [ 2499.635906][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2499.635906][ T75] ip_route_input_noref+0xe6/0x230 [ 2499.635906][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2499.635906][ T75] ip_rcv+0x16b/0x470 [ 2499.635906][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2499.635906][ T75] process_backlog+0x103/0x670 [ 2499.635906][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2499.635906][ T75] net_rx_action+0x49f/0xc00 [ 2499.635906][ T75] __do_softirq+0x1f8/0x5df [ 2499.635906][ T75] [ 2509.883464][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2509.883848][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2509.883848][ T75] dst_init+0x84/0x4a0 [ 2509.883848][ T75] dst_alloc+0x97/0x150 [ 2509.883848][ T75] rt_dst_alloc+0x31/0x3b0 [ 2509.883848][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2509.883848][ T75] ip_route_input_noref+0xe6/0x230 [ 2509.883848][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2509.883848][ T75] ip_rcv+0x16b/0x470 [ 2509.883848][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2509.883848][ T75] process_backlog+0x103/0x670 [ 2509.883848][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2509.883848][ T75] net_rx_action+0x49f/0xc00 [ 2509.883848][ T75] __do_softirq+0x1f8/0x5df [ 2509.883848][ T75] [ 2520.131443][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2520.131960][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2520.131960][ T75] dst_init+0x84/0x4a0 [ 2520.131960][ T75] dst_alloc+0x97/0x150 [ 2520.131960][ T75] rt_dst_alloc+0x31/0x3b0 [ 2520.131960][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2520.131960][ T75] ip_route_input_noref+0xe6/0x230 [ 2520.131960][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2520.131960][ T75] ip_rcv+0x16b/0x470 [ 2520.131960][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2520.131960][ T75] process_backlog+0x103/0x670 [ 2520.131960][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2520.131960][ T75] net_rx_action+0x49f/0xc00 [ 2520.131960][ T75] __do_softirq+0x1f8/0x5df [ 2520.131960][ T75] [ 2530.379390][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2530.379781][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2530.379781][ T75] dst_init+0x84/0x4a0 [ 2530.379781][ T75] dst_alloc+0x97/0x150 [ 2530.379781][ T75] rt_dst_alloc+0x31/0x3b0 [ 2530.379781][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2530.379781][ T75] ip_route_input_noref+0xe6/0x230 [ 2530.379781][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2530.379781][ T75] ip_rcv+0x16b/0x470 [ 2530.379781][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2530.379781][ T75] process_backlog+0x103/0x670 [ 2530.379781][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2530.379781][ T75] net_rx_action+0x49f/0xc00 [ 2530.379781][ T75] __do_softirq+0x1f8/0x5df [ 2530.379781][ T75] [ 2540.627394][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2540.627842][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2540.627842][ T75] dst_init+0x84/0x4a0 [ 2540.627842][ T75] dst_alloc+0x97/0x150 [ 2540.627842][ T75] rt_dst_alloc+0x31/0x3b0 [ 2540.627842][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2540.627842][ T75] ip_route_input_noref+0xe6/0x230 [ 2540.627842][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2540.627842][ T75] ip_rcv+0x16b/0x470 [ 2540.627842][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2540.627842][ T75] process_backlog+0x103/0x670 [ 2540.627842][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2540.627842][ T75] net_rx_action+0x49f/0xc00 [ 2540.627842][ T75] __do_softirq+0x1f8/0x5df [ 2540.627842][ T75] [ 2550.875398][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2550.875783][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2550.875783][ T75] dst_init+0x84/0x4a0 [ 2550.875783][ T75] dst_alloc+0x97/0x150 [ 2550.875783][ T75] rt_dst_alloc+0x31/0x3b0 [ 2550.875783][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2550.875783][ T75] ip_route_input_noref+0xe6/0x230 [ 2550.875783][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2550.875783][ T75] ip_rcv+0x16b/0x470 [ 2550.875783][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2550.875783][ T75] process_backlog+0x103/0x670 [ 2550.875783][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2550.875783][ T75] net_rx_action+0x49f/0xc00 [ 2550.875783][ T75] __do_softirq+0x1f8/0x5df [ 2550.875783][ T75] [ 2561.123460][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2561.123913][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2561.123913][ T75] dst_init+0x84/0x4a0 [ 2561.123913][ T75] dst_alloc+0x97/0x150 [ 2561.123913][ T75] rt_dst_alloc+0x31/0x3b0 [ 2561.123913][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2561.123913][ T75] ip_route_input_noref+0xe6/0x230 [ 2561.123913][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2561.123913][ T75] ip_rcv+0x16b/0x470 [ 2561.123913][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2561.123913][ T75] process_backlog+0x103/0x670 [ 2561.123913][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2561.123913][ T75] net_rx_action+0x49f/0xc00 [ 2561.123913][ T75] __do_softirq+0x1f8/0x5df [ 2561.123913][ T75] [ 2571.371534][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2571.372031][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2571.372031][ T75] dst_init+0x84/0x4a0 [ 2571.372031][ T75] dst_alloc+0x97/0x150 [ 2571.372031][ T75] rt_dst_alloc+0x31/0x3b0 [ 2571.372031][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2571.372031][ T75] ip_route_input_noref+0xe6/0x230 [ 2571.372031][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2571.372031][ T75] ip_rcv+0x16b/0x470 [ 2571.372031][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2571.372031][ T75] process_backlog+0x103/0x670 [ 2571.372031][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2571.372031][ T75] net_rx_action+0x49f/0xc00 [ 2571.372031][ T75] __do_softirq+0x1f8/0x5df [ 2571.372031][ T75] [ 2581.619450][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2581.619915][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2581.619915][ T75] dst_init+0x84/0x4a0 [ 2581.619915][ T75] dst_alloc+0x97/0x150 [ 2581.619915][ T75] rt_dst_alloc+0x31/0x3b0 [ 2581.619915][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2581.619915][ T75] ip_route_input_noref+0xe6/0x230 [ 2581.619915][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2581.619915][ T75] ip_rcv+0x16b/0x470 [ 2581.619915][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2581.619915][ T75] process_backlog+0x103/0x670 [ 2581.619915][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2581.619915][ T75] net_rx_action+0x49f/0xc00 [ 2581.619915][ T75] __do_softirq+0x1f8/0x5df [ 2581.619915][ T75] [ 2581.827463][ T43] INFO: task modprobe:15267 blocked for more than 860 seconds. [ 2581.827782][ T43] Not tainted 6.9.0-rc6-virtme #1 [ 2581.827898][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 2581.828102][ T43] task:modprobe state:D stack:25872 pid:15267 tgid:15267 ppid:62 flags:0x00004002 [ 2581.828386][ T43] Call Trace: [ 2581.828487][ T43] [ 2581.828558][ T43] __schedule+0x6e2/0x1a20 [ 2581.828692][ T43] ? __pfx___schedule+0x10/0x10 [ 2581.828815][ T43] ? schedule+0x1a5/0x210 [ 2581.828911][ T43] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 2581.829042][ T43] ? schedule+0x1a5/0x210 [ 2581.829147][ T43] schedule+0xdf/0x210 [ 2581.829241][ T43] schedule_preempt_disabled+0x15/0x30 [ 2581.829380][ T43] rwsem_down_write_slowpath+0x3af/0xab0 [ 2581.829508][ T43] ? register_pernet_subsys+0x1a/0x50 [ 2581.829638][ T43] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 2581.829787][ T43] ? kasan_save_stack+0x24/0x50 [ 2581.829908][ T43] ? kasan_save_track+0x14/0x30 [ 2581.830027][ T43] ? __kasan_kmalloc+0x7f/0x90 [ 2581.830171][ T43] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 2581.830315][ T43] ? register_pernet_subsys+0x1a/0x50 [ 2581.830438][ T43] ? lock_acquire+0x32/0xc0 [ 2581.830557][ T43] ? register_pernet_subsys+0x1a/0x50 [ 2581.830691][ T43] down_write+0x1c9/0x200 [ 2581.830786][ T43] ? __pfx_down_write+0x10/0x10 [ 2581.830913][ T43] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2581.831035][ T43] ? __pfx_nf_flow_table_module_init+0x10/0x10 [nf_flow_table] [ 2581.831232][ T43] register_pernet_subsys+0x1a/0x50 [ 2581.831364][ T43] nf_flow_table_module_init+0x19/0xff0 [nf_flow_table] [ 2581.831521][ T43] ? __pfx_nf_flow_table_module_init+0x10/0x10 [nf_flow_table] [ 2581.831706][ T43] do_one_initcall+0x8d/0x1e0 [ 2581.831833][ T43] ? __pfx_do_one_initcall+0x10/0x10 [ 2581.831956][ T43] ? __create_object+0x5e/0xb0 [ 2581.832080][ T43] ? trace_kmalloc+0x2a/0xe0 [ 2581.832210][ T43] ? kasan_unpoison+0x27/0x60 [ 2581.832360][ T43] ? __asan_register_globals+0x5d/0x80 [ 2581.832486][ T43] do_init_module+0x233/0x750 [ 2581.832621][ T43] init_module_from_file+0xd2/0x130 [ 2581.832744][ T43] ? __pfx_init_module_from_file+0x10/0x10 [ 2581.832899][ T43] ? __lock_release+0x103/0x460 [ 2581.833020][ T43] ? idempotent_init_module+0x32a/0x620 [ 2581.833153][ T43] ? idempotent_init_module+0x32a/0x620 [ 2581.833282][ T43] ? do_raw_spin_unlock+0x58/0x220 [ 2581.833422][ T43] idempotent_init_module+0x342/0x620 [ 2581.833547][ T43] ? __pfx_idempotent_init_module+0x10/0x10 [ 2581.833717][ T43] __x64_sys_finit_module+0xbe/0x130 [ 2581.833842][ T43] do_syscall_64+0xc3/0x1d0 [ 2581.833968][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2581.834123][ T43] RIP: 0033:0x7fb27e372e5d [ 2581.834254][ T43] RSP: 002b:00007ffc772a2508 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 2581.834453][ T43] RAX: ffffffffffffffda RBX: 000055711b644bc0 RCX: 00007fb27e372e5d [ 2581.834635][ T43] RDX: 0000000000000000 RSI: 00005570e70c5a2a RDI: 0000000000000000 [ 2581.834821][ T43] RBP: 0000000000040000 R08: 0000000000000000 R09: 000055711b645860 [ 2581.835002][ T43] R10: 0000000000000000 R11: 0000000000000246 R12: 00005570e70c5a2a [ 2581.835188][ T43] R13: 000055711b644c40 R14: 000055711b6464c0 R15: 0000000000000000 [ 2581.835388][ T43] [ 2581.835481][ T43] [ 2581.835481][ T43] Showing all locks held in the system: [ 2581.835660][ T43] 1 lock held by khungtaskd/43: [ 2581.835782][ T43] #0: ffffffffb1952fe0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x70/0x3a0 [ 2581.836003][ T43] 2 locks held by kworker/u18:1/62: [ 2581.836128][ T43] #0: ffff8880010a9d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xda6/0x1730 [ 2581.836397][ T43] #1: ffffc9000043fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0xde2/0x1730 [ 2581.836679][ T43] 3 locks held by kworker/u16:1/75: [ 2581.836797][ T43] #0: ffff8880018fa948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xda6/0x1730 [ 2581.837057][ T43] #1: ffffc9000050fda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0xde2/0x1730 [ 2581.837280][ T43] #2: ffffffffb21884d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xa20 [ 2581.837513][ T43] 1 lock held by modprobe/15267: [ 2581.837638][ T43] #0: ffffffffb21884d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 2581.837893][ T43] [ 2581.837954][ T43] ============================================= [ 2581.837954][ T43] [ 2591.867487][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2591.867932][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2591.867932][ T75] dst_init+0x84/0x4a0 [ 2591.867932][ T75] dst_alloc+0x97/0x150 [ 2591.867932][ T75] rt_dst_alloc+0x31/0x3b0 [ 2591.867932][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2591.867932][ T75] ip_route_input_noref+0xe6/0x230 [ 2591.867932][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2591.867932][ T75] ip_rcv+0x16b/0x470 [ 2591.867932][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2591.867932][ T75] process_backlog+0x103/0x670 [ 2591.867932][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2591.867932][ T75] net_rx_action+0x49f/0xc00 [ 2591.867932][ T75] __do_softirq+0x1f8/0x5df [ 2591.867932][ T75] [ 2602.115415][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2602.115863][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2602.115863][ T75] dst_init+0x84/0x4a0 [ 2602.115863][ T75] dst_alloc+0x97/0x150 [ 2602.115863][ T75] rt_dst_alloc+0x31/0x3b0 [ 2602.115863][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2602.115863][ T75] ip_route_input_noref+0xe6/0x230 [ 2602.115863][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2602.115863][ T75] ip_rcv+0x16b/0x470 [ 2602.115863][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2602.115863][ T75] process_backlog+0x103/0x670 [ 2602.115863][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2602.115863][ T75] net_rx_action+0x49f/0xc00 [ 2602.115863][ T75] __do_softirq+0x1f8/0x5df [ 2602.115863][ T75] [ 2612.363439][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2612.363835][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2612.363835][ T75] dst_init+0x84/0x4a0 [ 2612.363835][ T75] dst_alloc+0x97/0x150 [ 2612.363835][ T75] rt_dst_alloc+0x31/0x3b0 [ 2612.363835][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2612.363835][ T75] ip_route_input_noref+0xe6/0x230 [ 2612.363835][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2612.363835][ T75] ip_rcv+0x16b/0x470 [ 2612.363835][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2612.363835][ T75] process_backlog+0x103/0x670 [ 2612.363835][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2612.363835][ T75] net_rx_action+0x49f/0xc00 [ 2612.363835][ T75] __do_softirq+0x1f8/0x5df [ 2612.363835][ T75] [ 2622.611472][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2622.611934][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2622.611934][ T75] dst_init+0x84/0x4a0 [ 2622.611934][ T75] dst_alloc+0x97/0x150 [ 2622.611934][ T75] rt_dst_alloc+0x31/0x3b0 [ 2622.611934][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2622.611934][ T75] ip_route_input_noref+0xe6/0x230 [ 2622.611934][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2622.611934][ T75] ip_rcv+0x16b/0x470 [ 2622.611934][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2622.611934][ T75] process_backlog+0x103/0x670 [ 2622.611934][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2622.611934][ T75] net_rx_action+0x49f/0xc00 [ 2622.611934][ T75] __do_softirq+0x1f8/0x5df [ 2622.611934][ T75] [ 2632.859443][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2632.859894][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2632.859894][ T75] dst_init+0x84/0x4a0 [ 2632.859894][ T75] dst_alloc+0x97/0x150 [ 2632.859894][ T75] rt_dst_alloc+0x31/0x3b0 [ 2632.859894][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2632.859894][ T75] ip_route_input_noref+0xe6/0x230 [ 2632.859894][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2632.859894][ T75] ip_rcv+0x16b/0x470 [ 2632.859894][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2632.859894][ T75] process_backlog+0x103/0x670 [ 2632.859894][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2632.859894][ T75] net_rx_action+0x49f/0xc00 [ 2632.859894][ T75] __do_softirq+0x1f8/0x5df [ 2632.859894][ T75] [ 2643.107578][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2643.108053][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2643.108053][ T75] dst_init+0x84/0x4a0 [ 2643.108053][ T75] dst_alloc+0x97/0x150 [ 2643.108053][ T75] rt_dst_alloc+0x31/0x3b0 [ 2643.108053][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2643.108053][ T75] ip_route_input_noref+0xe6/0x230 [ 2643.108053][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2643.108053][ T75] ip_rcv+0x16b/0x470 [ 2643.108053][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2643.108053][ T75] process_backlog+0x103/0x670 [ 2643.108053][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2643.108053][ T75] net_rx_action+0x49f/0xc00 [ 2643.108053][ T75] __do_softirq+0x1f8/0x5df [ 2643.108053][ T75] [ 2653.355488][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2653.355935][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2653.355935][ T75] dst_init+0x84/0x4a0 [ 2653.355935][ T75] dst_alloc+0x97/0x150 [ 2653.355935][ T75] rt_dst_alloc+0x31/0x3b0 [ 2653.355935][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2653.355935][ T75] ip_route_input_noref+0xe6/0x230 [ 2653.355935][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2653.355935][ T75] ip_rcv+0x16b/0x470 [ 2653.355935][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2653.355935][ T75] process_backlog+0x103/0x670 [ 2653.355935][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2653.355935][ T75] net_rx_action+0x49f/0xc00 [ 2653.355935][ T75] __do_softirq+0x1f8/0x5df [ 2653.355935][ T75] [ 2663.603465][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2663.603859][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2663.603859][ T75] dst_init+0x84/0x4a0 [ 2663.603859][ T75] dst_alloc+0x97/0x150 [ 2663.603859][ T75] rt_dst_alloc+0x31/0x3b0 [ 2663.603859][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2663.603859][ T75] ip_route_input_noref+0xe6/0x230 [ 2663.603859][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2663.603859][ T75] ip_rcv+0x16b/0x470 [ 2663.603859][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2663.603859][ T75] process_backlog+0x103/0x670 [ 2663.603859][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2663.603859][ T75] net_rx_action+0x49f/0xc00 [ 2663.603859][ T75] __do_softirq+0x1f8/0x5df [ 2663.603859][ T75] [ 2673.851521][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2673.851922][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2673.851922][ T75] dst_init+0x84/0x4a0 [ 2673.851922][ T75] dst_alloc+0x97/0x150 [ 2673.851922][ T75] rt_dst_alloc+0x31/0x3b0 [ 2673.851922][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2673.851922][ T75] ip_route_input_noref+0xe6/0x230 [ 2673.851922][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2673.851922][ T75] ip_rcv+0x16b/0x470 [ 2673.851922][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2673.851922][ T75] process_backlog+0x103/0x670 [ 2673.851922][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2673.851922][ T75] net_rx_action+0x49f/0xc00 [ 2673.851922][ T75] __do_softirq+0x1f8/0x5df [ 2673.851922][ T75] [ 2684.099485][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2684.099947][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2684.099947][ T75] dst_init+0x84/0x4a0 [ 2684.099947][ T75] dst_alloc+0x97/0x150 [ 2684.099947][ T75] rt_dst_alloc+0x31/0x3b0 [ 2684.099947][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2684.099947][ T75] ip_route_input_noref+0xe6/0x230 [ 2684.099947][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2684.099947][ T75] ip_rcv+0x16b/0x470 [ 2684.099947][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2684.099947][ T75] process_backlog+0x103/0x670 [ 2684.099947][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2684.099947][ T75] net_rx_action+0x49f/0xc00 [ 2684.099947][ T75] __do_softirq+0x1f8/0x5df [ 2684.099947][ T75] [ 2694.347436][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2694.347889][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2694.347889][ T75] dst_init+0x84/0x4a0 [ 2694.347889][ T75] dst_alloc+0x97/0x150 [ 2694.347889][ T75] rt_dst_alloc+0x31/0x3b0 [ 2694.347889][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2694.347889][ T75] ip_route_input_noref+0xe6/0x230 [ 2694.347889][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2694.347889][ T75] ip_rcv+0x16b/0x470 [ 2694.347889][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2694.347889][ T75] process_backlog+0x103/0x670 [ 2694.347889][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2694.347889][ T75] net_rx_action+0x49f/0xc00 [ 2694.347889][ T75] __do_softirq+0x1f8/0x5df [ 2694.347889][ T75] [ 2704.595413][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2704.595826][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2704.595826][ T75] dst_init+0x84/0x4a0 [ 2704.595826][ T75] dst_alloc+0x97/0x150 [ 2704.595826][ T75] rt_dst_alloc+0x31/0x3b0 [ 2704.595826][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2704.595826][ T75] ip_route_input_noref+0xe6/0x230 [ 2704.595826][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2704.595826][ T75] ip_rcv+0x16b/0x470 [ 2704.595826][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2704.595826][ T75] process_backlog+0x103/0x670 [ 2704.595826][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2704.595826][ T75] net_rx_action+0x49f/0xc00 [ 2704.595826][ T75] __do_softirq+0x1f8/0x5df [ 2704.595826][ T75] [ 2704.707468][ T43] INFO: task modprobe:15267 blocked for more than 983 seconds. [ 2704.707849][ T43] Not tainted 6.9.0-rc6-virtme #1 [ 2704.708030][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 2704.708372][ T43] task:modprobe state:D stack:25872 pid:15267 tgid:15267 ppid:62 flags:0x00004002 [ 2704.708765][ T43] Call Trace: [ 2704.708923][ T43] [ 2704.709035][ T43] __schedule+0x6e2/0x1a20 [ 2704.709245][ T43] ? __pfx___schedule+0x10/0x10 [ 2704.709462][ T43] ? schedule+0x1a5/0x210 [ 2704.709614][ T43] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 2704.709819][ T43] ? schedule+0x1a5/0x210 [ 2704.709979][ T43] schedule+0xdf/0x210 [ 2704.710129][ T43] schedule_preempt_disabled+0x15/0x30 [ 2704.710340][ T43] rwsem_down_write_slowpath+0x3af/0xab0 [ 2704.710552][ T43] ? register_pernet_subsys+0x1a/0x50 [ 2704.710756][ T43] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 2704.710991][ T43] ? kasan_save_stack+0x24/0x50 [ 2704.711190][ T43] ? kasan_save_track+0x14/0x30 [ 2704.711390][ T43] ? __kasan_kmalloc+0x7f/0x90 [ 2704.711584][ T43] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 2704.711787][ T43] ? register_pernet_subsys+0x1a/0x50 [ 2704.711981][ T43] ? lock_acquire+0x32/0xc0 [ 2704.712178][ T43] ? register_pernet_subsys+0x1a/0x50 [ 2704.712398][ T43] down_write+0x1c9/0x200 [ 2704.712556][ T43] ? __pfx_down_write+0x10/0x10 [ 2704.712750][ T43] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2704.712938][ T43] ? __pfx_nf_flow_table_module_init+0x10/0x10 [nf_flow_table] [ 2704.713237][ T43] register_pernet_subsys+0x1a/0x50 [ 2704.713467][ T43] nf_flow_table_module_init+0x19/0xff0 [nf_flow_table] [ 2704.713741][ T43] ? __pfx_nf_flow_table_module_init+0x10/0x10 [nf_flow_table] [ 2704.714035][ T43] do_one_initcall+0x8d/0x1e0 [ 2704.714238][ T43] ? __pfx_do_one_initcall+0x10/0x10 [ 2704.714453][ T43] ? __create_object+0x5e/0xb0 [ 2704.714652][ T43] ? trace_kmalloc+0x2a/0xe0 [ 2704.714849][ T43] ? kasan_unpoison+0x27/0x60 [ 2704.715063][ T43] ? __asan_register_globals+0x5d/0x80 [ 2704.715260][ T43] do_init_module+0x233/0x750 [ 2704.715490][ T43] init_module_from_file+0xd2/0x130 [ 2704.715684][ T43] ? __pfx_init_module_from_file+0x10/0x10 [ 2704.715925][ T43] ? __lock_release+0x103/0x460 [ 2704.716132][ T43] ? idempotent_init_module+0x32a/0x620 [ 2704.716366][ T43] ? idempotent_init_module+0x32a/0x620 [ 2704.716557][ T43] ? do_raw_spin_unlock+0x58/0x220 [ 2704.716755][ T43] idempotent_init_module+0x342/0x620 [ 2704.716958][ T43] ? __pfx_idempotent_init_module+0x10/0x10 [ 2704.717231][ T43] __x64_sys_finit_module+0xbe/0x130 [ 2704.717461][ T43] do_syscall_64+0xc3/0x1d0 [ 2704.717671][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2704.717908][ T43] RIP: 0033:0x7fb27e372e5d [ 2704.718107][ T43] RSP: 002b:00007ffc772a2508 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 2704.718412][ T43] RAX: ffffffffffffffda RBX: 000055711b644bc0 RCX: 00007fb27e372e5d [ 2704.718754][ T43] RDX: 0000000000000000 RSI: 00005570e70c5a2a RDI: 0000000000000000 [ 2704.719039][ T43] RBP: 0000000000040000 R08: 0000000000000000 R09: 000055711b645860 [ 2704.719331][ T43] R10: 0000000000000000 R11: 0000000000000246 R12: 00005570e70c5a2a [ 2704.719615][ T43] R13: 000055711b644c40 R14: 000055711b6464c0 R15: 0000000000000000 [ 2704.719916][ T43] [ 2704.720072][ T43] [ 2704.720072][ T43] Showing all locks held in the system: [ 2704.720376][ T43] 1 lock held by khungtaskd/43: [ 2704.720565][ T43] #0: ffffffffb1952fe0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x70/0x3a0 [ 2704.720908][ T43] 2 locks held by kworker/u18:1/62: [ 2704.721096][ T43] #0: ffff8880010a9d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xda6/0x1730 [ 2704.721534][ T43] #1: ffffc9000043fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0xde2/0x1730 [ 2704.721994][ T43] 3 locks held by kworker/u16:1/75: [ 2704.722182][ T43] #0: ffff8880018fa948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xda6/0x1730 [ 2704.722589][ T43] #1: ffffc9000050fda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0xde2/0x1730 [ 2704.722936][ T43] #2: ffffffffb21884d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xa20 [ 2704.723247][ T43] 1 lock held by modprobe/15267: [ 2704.723446][ T43] #0: ffffffffb21884d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 2704.723840][ T43] [ 2704.723937][ T43] ============================================= [ 2704.723937][ T43] [ 2714.843440][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2714.843931][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2714.843931][ T75] dst_init+0x84/0x4a0 [ 2714.843931][ T75] dst_alloc+0x97/0x150 [ 2714.843931][ T75] rt_dst_alloc+0x31/0x3b0 [ 2714.843931][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2714.843931][ T75] ip_route_input_noref+0xe6/0x230 [ 2714.843931][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2714.843931][ T75] ip_rcv+0x16b/0x470 [ 2714.843931][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2714.843931][ T75] process_backlog+0x103/0x670 [ 2714.843931][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2714.843931][ T75] net_rx_action+0x49f/0xc00 [ 2714.843931][ T75] __do_softirq+0x1f8/0x5df [ 2714.843931][ T75] [ 2725.091480][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2725.091883][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2725.091883][ T75] dst_init+0x84/0x4a0 [ 2725.091883][ T75] dst_alloc+0x97/0x150 [ 2725.091883][ T75] rt_dst_alloc+0x31/0x3b0 [ 2725.091883][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2725.091883][ T75] ip_route_input_noref+0xe6/0x230 [ 2725.091883][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2725.091883][ T75] ip_rcv+0x16b/0x470 [ 2725.091883][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2725.091883][ T75] process_backlog+0x103/0x670 [ 2725.091883][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2725.091883][ T75] net_rx_action+0x49f/0xc00 [ 2725.091883][ T75] __do_softirq+0x1f8/0x5df [ 2725.091883][ T75] [ 2735.339439][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2735.339835][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2735.339835][ T75] dst_init+0x84/0x4a0 [ 2735.339835][ T75] dst_alloc+0x97/0x150 [ 2735.339835][ T75] rt_dst_alloc+0x31/0x3b0 [ 2735.339835][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2735.339835][ T75] ip_route_input_noref+0xe6/0x230 [ 2735.339835][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2735.339835][ T75] ip_rcv+0x16b/0x470 [ 2735.339835][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2735.339835][ T75] process_backlog+0x103/0x670 [ 2735.339835][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2735.339835][ T75] net_rx_action+0x49f/0xc00 [ 2735.339835][ T75] __do_softirq+0x1f8/0x5df [ 2735.339835][ T75] [ 2745.587397][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2745.587854][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2745.587854][ T75] dst_init+0x84/0x4a0 [ 2745.587854][ T75] dst_alloc+0x97/0x150 [ 2745.587854][ T75] rt_dst_alloc+0x31/0x3b0 [ 2745.587854][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2745.587854][ T75] ip_route_input_noref+0xe6/0x230 [ 2745.587854][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2745.587854][ T75] ip_rcv+0x16b/0x470 [ 2745.587854][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2745.587854][ T75] process_backlog+0x103/0x670 [ 2745.587854][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2745.587854][ T75] net_rx_action+0x49f/0xc00 [ 2745.587854][ T75] __do_softirq+0x1f8/0x5df [ 2745.587854][ T75] [ 2755.835430][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2755.835919][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2755.835919][ T75] dst_init+0x84/0x4a0 [ 2755.835919][ T75] dst_alloc+0x97/0x150 [ 2755.835919][ T75] rt_dst_alloc+0x31/0x3b0 [ 2755.835919][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2755.835919][ T75] ip_route_input_noref+0xe6/0x230 [ 2755.835919][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2755.835919][ T75] ip_rcv+0x16b/0x470 [ 2755.835919][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2755.835919][ T75] process_backlog+0x103/0x670 [ 2755.835919][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2755.835919][ T75] net_rx_action+0x49f/0xc00 [ 2755.835919][ T75] __do_softirq+0x1f8/0x5df [ 2755.835919][ T75] [ 2766.083511][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2766.083911][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2766.083911][ T75] dst_init+0x84/0x4a0 [ 2766.083911][ T75] dst_alloc+0x97/0x150 [ 2766.083911][ T75] rt_dst_alloc+0x31/0x3b0 [ 2766.083911][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2766.083911][ T75] ip_route_input_noref+0xe6/0x230 [ 2766.083911][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2766.083911][ T75] ip_rcv+0x16b/0x470 [ 2766.083911][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2766.083911][ T75] process_backlog+0x103/0x670 [ 2766.083911][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2766.083911][ T75] net_rx_action+0x49f/0xc00 [ 2766.083911][ T75] __do_softirq+0x1f8/0x5df [ 2766.083911][ T75] [ 2776.331449][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2776.331843][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2776.331843][ T75] dst_init+0x84/0x4a0 [ 2776.331843][ T75] dst_alloc+0x97/0x150 [ 2776.331843][ T75] rt_dst_alloc+0x31/0x3b0 [ 2776.331843][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2776.331843][ T75] ip_route_input_noref+0xe6/0x230 [ 2776.331843][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2776.331843][ T75] ip_rcv+0x16b/0x470 [ 2776.331843][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2776.331843][ T75] process_backlog+0x103/0x670 [ 2776.331843][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2776.331843][ T75] net_rx_action+0x49f/0xc00 [ 2776.331843][ T75] __do_softirq+0x1f8/0x5df [ 2776.331843][ T75] [ 2786.579487][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2786.579884][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2786.579884][ T75] dst_init+0x84/0x4a0 [ 2786.579884][ T75] dst_alloc+0x97/0x150 [ 2786.579884][ T75] rt_dst_alloc+0x31/0x3b0 [ 2786.579884][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2786.579884][ T75] ip_route_input_noref+0xe6/0x230 [ 2786.579884][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2786.579884][ T75] ip_rcv+0x16b/0x470 [ 2786.579884][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2786.579884][ T75] process_backlog+0x103/0x670 [ 2786.579884][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2786.579884][ T75] net_rx_action+0x49f/0xc00 [ 2786.579884][ T75] __do_softirq+0x1f8/0x5df [ 2786.579884][ T75] [ 2796.827516][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2796.827918][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2796.827918][ T75] dst_init+0x84/0x4a0 [ 2796.827918][ T75] dst_alloc+0x97/0x150 [ 2796.827918][ T75] rt_dst_alloc+0x31/0x3b0 [ 2796.827918][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2796.827918][ T75] ip_route_input_noref+0xe6/0x230 [ 2796.827918][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2796.827918][ T75] ip_rcv+0x16b/0x470 [ 2796.827918][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2796.827918][ T75] process_backlog+0x103/0x670 [ 2796.827918][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2796.827918][ T75] net_rx_action+0x49f/0xc00 [ 2796.827918][ T75] __do_softirq+0x1f8/0x5df [ 2796.827918][ T75] [ 2807.075472][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2807.075881][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2807.075881][ T75] dst_init+0x84/0x4a0 [ 2807.075881][ T75] dst_alloc+0x97/0x150 [ 2807.075881][ T75] rt_dst_alloc+0x31/0x3b0 [ 2807.075881][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2807.075881][ T75] ip_route_input_noref+0xe6/0x230 [ 2807.075881][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2807.075881][ T75] ip_rcv+0x16b/0x470 [ 2807.075881][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2807.075881][ T75] process_backlog+0x103/0x670 [ 2807.075881][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2807.075881][ T75] net_rx_action+0x49f/0xc00 [ 2807.075881][ T75] __do_softirq+0x1f8/0x5df [ 2807.075881][ T75] [ 2817.323511][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2817.323916][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2817.323916][ T75] dst_init+0x84/0x4a0 [ 2817.323916][ T75] dst_alloc+0x97/0x150 [ 2817.323916][ T75] rt_dst_alloc+0x31/0x3b0 [ 2817.323916][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2817.323916][ T75] ip_route_input_noref+0xe6/0x230 [ 2817.323916][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2817.323916][ T75] ip_rcv+0x16b/0x470 [ 2817.323916][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2817.323916][ T75] process_backlog+0x103/0x670 [ 2817.323916][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2817.323916][ T75] net_rx_action+0x49f/0xc00 [ 2817.323916][ T75] __do_softirq+0x1f8/0x5df [ 2817.323916][ T75] [ 2827.571495][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2827.571901][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2827.571901][ T75] dst_init+0x84/0x4a0 [ 2827.571901][ T75] dst_alloc+0x97/0x150 [ 2827.571901][ T75] rt_dst_alloc+0x31/0x3b0 [ 2827.571901][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2827.571901][ T75] ip_route_input_noref+0xe6/0x230 [ 2827.571901][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2827.571901][ T75] ip_rcv+0x16b/0x470 [ 2827.571901][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2827.571901][ T75] process_backlog+0x103/0x670 [ 2827.571901][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2827.571901][ T75] net_rx_action+0x49f/0xc00 [ 2827.571901][ T75] __do_softirq+0x1f8/0x5df [ 2827.571901][ T75] [ 2827.587375][ T43] INFO: task modprobe:15267 blocked for more than 1105 seconds. [ 2827.587598][ T43] Not tainted 6.9.0-rc6-virtme #1 [ 2827.587726][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 2827.587919][ T43] task:modprobe state:D stack:25872 pid:15267 tgid:15267 ppid:62 flags:0x00004002 [ 2827.588170][ T43] Call Trace: [ 2827.588263][ T43] [ 2827.588358][ T43] __schedule+0x6e2/0x1a20 [ 2827.588518][ T43] ? __pfx___schedule+0x10/0x10 [ 2827.588640][ T43] ? schedule+0x1a5/0x210 [ 2827.588742][ T43] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 2827.588884][ T43] ? schedule+0x1a5/0x210 [ 2827.588980][ T43] schedule+0xdf/0x210 [ 2827.589074][ T43] schedule_preempt_disabled+0x15/0x30 [ 2827.589195][ T43] rwsem_down_write_slowpath+0x3af/0xab0 [ 2827.589337][ T43] ? register_pernet_subsys+0x1a/0x50 [ 2827.589470][ T43] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 2827.589618][ T43] ? kasan_save_stack+0x24/0x50 [ 2827.589747][ T43] ? kasan_save_track+0x14/0x30 [ 2827.589866][ T43] ? __kasan_kmalloc+0x7f/0x90 [ 2827.589990][ T43] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 2827.590155][ T43] ? register_pernet_subsys+0x1a/0x50 [ 2827.590276][ T43] ? lock_acquire+0x32/0xc0 [ 2827.590406][ T43] ? register_pernet_subsys+0x1a/0x50 [ 2827.590547][ T43] down_write+0x1c9/0x200 [ 2827.590641][ T43] ? __pfx_down_write+0x10/0x10 [ 2827.590774][ T43] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2827.590900][ T43] ? __pfx_nf_flow_table_module_init+0x10/0x10 [nf_flow_table] [ 2827.591093][ T43] register_pernet_subsys+0x1a/0x50 [ 2827.591216][ T43] nf_flow_table_module_init+0x19/0xff0 [nf_flow_table] [ 2827.591383][ T43] ? __pfx_nf_flow_table_module_init+0x10/0x10 [nf_flow_table] [ 2827.591566][ T43] do_one_initcall+0x8d/0x1e0 [ 2827.591699][ T43] ? __pfx_do_one_initcall+0x10/0x10 [ 2827.591831][ T43] ? __create_object+0x5e/0xb0 [ 2827.591955][ T43] ? trace_kmalloc+0x2a/0xe0 [ 2827.592080][ T43] ? kasan_unpoison+0x27/0x60 [ 2827.592204][ T43] ? __asan_register_globals+0x5d/0x80 [ 2827.592349][ T43] do_init_module+0x233/0x750 [ 2827.592485][ T43] init_module_from_file+0xd2/0x130 [ 2827.592607][ T43] ? __pfx_init_module_from_file+0x10/0x10 [ 2827.592761][ T43] ? __lock_release+0x103/0x460 [ 2827.592890][ T43] ? idempotent_init_module+0x32a/0x620 [ 2827.593024][ T43] ? idempotent_init_module+0x32a/0x620 [ 2827.593147][ T43] ? do_raw_spin_unlock+0x58/0x220 [ 2827.593277][ T43] idempotent_init_module+0x342/0x620 [ 2827.593411][ T43] ? __pfx_idempotent_init_module+0x10/0x10 [ 2827.593581][ T43] __x64_sys_finit_module+0xbe/0x130 [ 2827.593706][ T43] do_syscall_64+0xc3/0x1d0 [ 2827.593843][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2827.593996][ T43] RIP: 0033:0x7fb27e372e5d [ 2827.594135][ T43] RSP: 002b:00007ffc772a2508 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 2827.594329][ T43] RAX: ffffffffffffffda RBX: 000055711b644bc0 RCX: 00007fb27e372e5d [ 2827.594511][ T43] RDX: 0000000000000000 RSI: 00005570e70c5a2a RDI: 0000000000000000 [ 2827.594690][ T43] RBP: 0000000000040000 R08: 0000000000000000 R09: 000055711b645860 [ 2827.594879][ T43] R10: 0000000000000000 R11: 0000000000000246 R12: 00005570e70c5a2a [ 2827.595060][ T43] R13: 000055711b644c40 R14: 000055711b6464c0 R15: 0000000000000000 [ 2827.595265][ T43] [ 2827.595381][ T43] [ 2827.595381][ T43] Showing all locks held in the system: [ 2827.595566][ T43] 1 lock held by khungtaskd/43: [ 2827.595693][ T43] #0: ffffffffb1952fe0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x70/0x3a0 [ 2827.595921][ T43] 2 locks held by kworker/u18:1/62: [ 2827.596041][ T43] #0: ffff8880010a9d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xda6/0x1730 [ 2827.596289][ T43] #1: ffffc9000043fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0xde2/0x1730 [ 2827.596603][ T43] 3 locks held by kworker/u16:1/75: [ 2827.596725][ T43] #0: ffff8880018fa948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xda6/0x1730 [ 2827.596969][ T43] #1: ffffc9000050fda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0xde2/0x1730 [ 2827.597188][ T43] #2: ffffffffb21884d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xa20 [ 2827.597422][ T43] 1 lock held by modprobe/15267: [ 2827.597539][ T43] #0: ffffffffb21884d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 2827.597795][ T43] [ 2827.597864][ T43] ============================================= [ 2827.597864][ T43] [ 2837.819435][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2837.819826][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2837.819826][ T75] dst_init+0x84/0x4a0 [ 2837.819826][ T75] dst_alloc+0x97/0x150 [ 2837.819826][ T75] rt_dst_alloc+0x31/0x3b0 [ 2837.819826][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2837.819826][ T75] ip_route_input_noref+0xe6/0x230 [ 2837.819826][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2837.819826][ T75] ip_rcv+0x16b/0x470 [ 2837.819826][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2837.819826][ T75] process_backlog+0x103/0x670 [ 2837.819826][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2837.819826][ T75] net_rx_action+0x49f/0xc00 [ 2837.819826][ T75] __do_softirq+0x1f8/0x5df [ 2837.819826][ T75] [ 2848.067442][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2848.067976][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2848.067976][ T75] dst_init+0x84/0x4a0 [ 2848.067976][ T75] dst_alloc+0x97/0x150 [ 2848.067976][ T75] rt_dst_alloc+0x31/0x3b0 [ 2848.067976][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2848.067976][ T75] ip_route_input_noref+0xe6/0x230 [ 2848.067976][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2848.067976][ T75] ip_rcv+0x16b/0x470 [ 2848.067976][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2848.067976][ T75] process_backlog+0x103/0x670 [ 2848.067976][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2848.067976][ T75] net_rx_action+0x49f/0xc00 [ 2848.067976][ T75] __do_softirq+0x1f8/0x5df [ 2848.067976][ T75] [ 2858.315445][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2858.315839][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2858.315839][ T75] dst_init+0x84/0x4a0 [ 2858.315839][ T75] dst_alloc+0x97/0x150 [ 2858.315839][ T75] rt_dst_alloc+0x31/0x3b0 [ 2858.315839][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2858.315839][ T75] ip_route_input_noref+0xe6/0x230 [ 2858.315839][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2858.315839][ T75] ip_rcv+0x16b/0x470 [ 2858.315839][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2858.315839][ T75] process_backlog+0x103/0x670 [ 2858.315839][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2858.315839][ T75] net_rx_action+0x49f/0xc00 [ 2858.315839][ T75] __do_softirq+0x1f8/0x5df [ 2858.315839][ T75] [ 2868.563487][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2868.563933][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2868.563933][ T75] dst_init+0x84/0x4a0 [ 2868.563933][ T75] dst_alloc+0x97/0x150 [ 2868.563933][ T75] rt_dst_alloc+0x31/0x3b0 [ 2868.563933][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2868.563933][ T75] ip_route_input_noref+0xe6/0x230 [ 2868.563933][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2868.563933][ T75] ip_rcv+0x16b/0x470 [ 2868.563933][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2868.563933][ T75] process_backlog+0x103/0x670 [ 2868.563933][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2868.563933][ T75] net_rx_action+0x49f/0xc00 [ 2868.563933][ T75] __do_softirq+0x1f8/0x5df [ 2868.563933][ T75] [ 2878.811534][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2878.811981][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2878.811981][ T75] dst_init+0x84/0x4a0 [ 2878.811981][ T75] dst_alloc+0x97/0x150 [ 2878.811981][ T75] rt_dst_alloc+0x31/0x3b0 [ 2878.811981][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2878.811981][ T75] ip_route_input_noref+0xe6/0x230 [ 2878.811981][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2878.811981][ T75] ip_rcv+0x16b/0x470 [ 2878.811981][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2878.811981][ T75] process_backlog+0x103/0x670 [ 2878.811981][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2878.811981][ T75] net_rx_action+0x49f/0xc00 [ 2878.811981][ T75] __do_softirq+0x1f8/0x5df [ 2878.811981][ T75] [ 2889.059450][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2889.059879][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2889.059879][ T75] dst_init+0x84/0x4a0 [ 2889.059879][ T75] dst_alloc+0x97/0x150 [ 2889.059879][ T75] rt_dst_alloc+0x31/0x3b0 [ 2889.059879][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2889.059879][ T75] ip_route_input_noref+0xe6/0x230 [ 2889.059879][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2889.059879][ T75] ip_rcv+0x16b/0x470 [ 2889.059879][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2889.059879][ T75] process_backlog+0x103/0x670 [ 2889.059879][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2889.059879][ T75] net_rx_action+0x49f/0xc00 [ 2889.059879][ T75] __do_softirq+0x1f8/0x5df [ 2889.059879][ T75] [ 2899.307415][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2899.307806][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2899.307806][ T75] dst_init+0x84/0x4a0 [ 2899.307806][ T75] dst_alloc+0x97/0x150 [ 2899.307806][ T75] rt_dst_alloc+0x31/0x3b0 [ 2899.307806][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2899.307806][ T75] ip_route_input_noref+0xe6/0x230 [ 2899.307806][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2899.307806][ T75] ip_rcv+0x16b/0x470 [ 2899.307806][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2899.307806][ T75] process_backlog+0x103/0x670 [ 2899.307806][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2899.307806][ T75] net_rx_action+0x49f/0xc00 [ 2899.307806][ T75] __do_softirq+0x1f8/0x5df [ 2899.307806][ T75] [ 2909.555461][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2909.555841][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2909.555841][ T75] dst_init+0x84/0x4a0 [ 2909.555841][ T75] dst_alloc+0x97/0x150 [ 2909.555841][ T75] rt_dst_alloc+0x31/0x3b0 [ 2909.555841][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2909.555841][ T75] ip_route_input_noref+0xe6/0x230 [ 2909.555841][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2909.555841][ T75] ip_rcv+0x16b/0x470 [ 2909.555841][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2909.555841][ T75] process_backlog+0x103/0x670 [ 2909.555841][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2909.555841][ T75] net_rx_action+0x49f/0xc00 [ 2909.555841][ T75] __do_softirq+0x1f8/0x5df [ 2909.555841][ T75] [ 2919.803489][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2919.803882][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2919.803882][ T75] dst_init+0x84/0x4a0 [ 2919.803882][ T75] dst_alloc+0x97/0x150 [ 2919.803882][ T75] rt_dst_alloc+0x31/0x3b0 [ 2919.803882][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2919.803882][ T75] ip_route_input_noref+0xe6/0x230 [ 2919.803882][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2919.803882][ T75] ip_rcv+0x16b/0x470 [ 2919.803882][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2919.803882][ T75] process_backlog+0x103/0x670 [ 2919.803882][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2919.803882][ T75] net_rx_action+0x49f/0xc00 [ 2919.803882][ T75] __do_softirq+0x1f8/0x5df [ 2919.803882][ T75] [ 2930.051431][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2930.051815][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2930.051815][ T75] dst_init+0x84/0x4a0 [ 2930.051815][ T75] dst_alloc+0x97/0x150 [ 2930.051815][ T75] rt_dst_alloc+0x31/0x3b0 [ 2930.051815][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2930.051815][ T75] ip_route_input_noref+0xe6/0x230 [ 2930.051815][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2930.051815][ T75] ip_rcv+0x16b/0x470 [ 2930.051815][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2930.051815][ T75] process_backlog+0x103/0x670 [ 2930.051815][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2930.051815][ T75] net_rx_action+0x49f/0xc00 [ 2930.051815][ T75] __do_softirq+0x1f8/0x5df [ 2930.051815][ T75] [ 2940.299511][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2940.300044][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2940.300044][ T75] dst_init+0x84/0x4a0 [ 2940.300044][ T75] dst_alloc+0x97/0x150 [ 2940.300044][ T75] rt_dst_alloc+0x31/0x3b0 [ 2940.300044][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2940.300044][ T75] ip_route_input_noref+0xe6/0x230 [ 2940.300044][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2940.300044][ T75] ip_rcv+0x16b/0x470 [ 2940.300044][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2940.300044][ T75] process_backlog+0x103/0x670 [ 2940.300044][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2940.300044][ T75] net_rx_action+0x49f/0xc00 [ 2940.300044][ T75] __do_softirq+0x1f8/0x5df [ 2940.300044][ T75] [ 2950.467531][ T43] INFO: task modprobe:15267 blocked for more than 1228 seconds. [ 2950.468007][ T43] Not tainted 6.9.0-rc6-virtme #1 [ 2950.468187][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 2950.468520][ T43] task:modprobe state:D stack:25872 pid:15267 tgid:15267 ppid:62 flags:0x00004002 [ 2950.468880][ T43] Call Trace: [ 2950.469007][ T43] [ 2950.469110][ T43] __schedule+0x6e2/0x1a20 [ 2950.469343][ T43] ? __pfx___schedule+0x10/0x10 [ 2950.469525][ T43] ? schedule+0x1a5/0x210 [ 2950.469672][ T43] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 2950.469873][ T43] ? schedule+0x1a5/0x210 [ 2950.470026][ T43] schedule+0xdf/0x210 [ 2950.470211][ T43] schedule_preempt_disabled+0x15/0x30 [ 2950.470415][ T43] rwsem_down_write_slowpath+0x3af/0xab0 [ 2950.470613][ T43] ? register_pernet_subsys+0x1a/0x50 [ 2950.470811][ T43] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 2950.471047][ T43] ? kasan_save_stack+0x24/0x50 [ 2950.471235][ T43] ? kasan_save_track+0x14/0x30 [ 2950.471436][ T43] ? __kasan_kmalloc+0x7f/0x90 [ 2950.471630][ T43] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 2950.471847][ T43] ? register_pernet_subsys+0x1a/0x50 [ 2950.472034][ T43] ? lock_acquire+0x32/0xc0 [ 2950.472236][ T43] ? register_pernet_subsys+0x1a/0x50 [ 2950.472524][ T43] down_write+0x1c9/0x200 [ 2950.472684][ T43] ? __pfx_down_write+0x10/0x10 [ 2950.472877][ T43] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2950.473087][ T43] ? __pfx_nf_flow_table_module_init+0x10/0x10 [nf_flow_table] [ 2950.473481][ T43] register_pernet_subsys+0x1a/0x50 [ 2950.473697][ T43] nf_flow_table_module_init+0x19/0xff0 [nf_flow_table] [ 2950.473974][ T43] ? __pfx_nf_flow_table_module_init+0x10/0x10 [nf_flow_table] [ 2950.474253][ T43] do_one_initcall+0x8d/0x1e0 [ 2950.474518][ T43] ? __pfx_do_one_initcall+0x10/0x10 [ 2950.474706][ T43] ? __create_object+0x5e/0xb0 [ 2950.474890][ T43] ? trace_kmalloc+0x2a/0xe0 [ 2950.475073][ T43] ? kasan_unpoison+0x27/0x60 [ 2950.475276][ T43] ? __asan_register_globals+0x5d/0x80 [ 2950.475484][ T43] do_init_module+0x233/0x750 [ 2950.475691][ T43] init_module_from_file+0xd2/0x130 [ 2950.475880][ T43] ? __pfx_init_module_from_file+0x10/0x10 [ 2950.476118][ T43] ? __lock_release+0x103/0x460 [ 2950.476363][ T43] ? idempotent_init_module+0x32a/0x620 [ 2950.476549][ T43] ? idempotent_init_module+0x32a/0x620 [ 2950.476735][ T43] ? do_raw_spin_unlock+0x58/0x220 [ 2950.476924][ T43] idempotent_init_module+0x342/0x620 [ 2950.477121][ T43] ? __pfx_idempotent_init_module+0x10/0x10 [ 2950.477385][ T43] __x64_sys_finit_module+0xbe/0x130 [ 2950.477577][ T43] do_syscall_64+0xc3/0x1d0 [ 2950.477787][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2950.478023][ T43] RIP: 0033:0x7fb27e372e5d [ 2950.478215][ T43] RSP: 002b:00007ffc772a2508 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 2950.478532][ T43] RAX: ffffffffffffffda RBX: 000055711b644bc0 RCX: 00007fb27e372e5d [ 2950.478811][ T43] RDX: 0000000000000000 RSI: 00005570e70c5a2a RDI: 0000000000000000 [ 2950.479070][ T43] RBP: 0000000000040000 R08: 0000000000000000 R09: 000055711b645860 [ 2950.479355][ T43] R10: 0000000000000000 R11: 0000000000000246 R12: 00005570e70c5a2a [ 2950.479638][ T43] R13: 000055711b644c40 R14: 000055711b6464c0 R15: 0000000000000000 [ 2950.479917][ T43] [ 2950.480056][ T43] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 2950.480402][ T43] [ 2950.480402][ T43] Showing all locks held in the system: [ 2950.480674][ T43] 1 lock held by khungtaskd/43: [ 2950.480847][ T43] #0: ffffffffb1952fe0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x70/0x3a0 [ 2950.481186][ T43] 2 locks held by kworker/u18:1/62: [ 2950.481379][ T43] #0: ffff8880010a9d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xda6/0x1730 [ 2950.481745][ T43] #1: ffffc9000043fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0xde2/0x1730 [ 2950.482152][ T43] 3 locks held by kworker/u16:1/75: [ 2950.482345][ T43] #0: ffff8880018fa948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xda6/0x1730 [ 2950.482783][ T43] #1: ffffc9000050fda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0xde2/0x1730 [ 2950.483155][ T43] #2: ffffffffb21884d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xa20 [ 2950.483537][ T43] 1 lock held by modprobe/15267: [ 2950.483754][ T43] #0: ffffffffb21884d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 2950.484205][ T43] [ 2950.484386][ T43] ============================================= [ 2950.484386][ T43] [ 2950.547473][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2950.548047][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2950.548047][ T75] dst_init+0x84/0x4a0 [ 2950.548047][ T75] dst_alloc+0x97/0x150 [ 2950.548047][ T75] rt_dst_alloc+0x31/0x3b0 [ 2950.548047][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2950.548047][ T75] ip_route_input_noref+0xe6/0x230 [ 2950.548047][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2950.548047][ T75] ip_rcv+0x16b/0x470 [ 2950.548047][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2950.548047][ T75] process_backlog+0x103/0x670 [ 2950.548047][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2950.548047][ T75] net_rx_action+0x49f/0xc00 [ 2950.548047][ T75] __do_softirq+0x1f8/0x5df [ 2950.548047][ T75] [ 2960.795468][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2960.795860][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2960.795860][ T75] dst_init+0x84/0x4a0 [ 2960.795860][ T75] dst_alloc+0x97/0x150 [ 2960.795860][ T75] rt_dst_alloc+0x31/0x3b0 [ 2960.795860][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2960.795860][ T75] ip_route_input_noref+0xe6/0x230 [ 2960.795860][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2960.795860][ T75] ip_rcv+0x16b/0x470 [ 2960.795860][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2960.795860][ T75] process_backlog+0x103/0x670 [ 2960.795860][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2960.795860][ T75] net_rx_action+0x49f/0xc00 [ 2960.795860][ T75] __do_softirq+0x1f8/0x5df [ 2960.795860][ T75] [ 2971.043469][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2971.044011][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2971.044011][ T75] dst_init+0x84/0x4a0 [ 2971.044011][ T75] dst_alloc+0x97/0x150 [ 2971.044011][ T75] rt_dst_alloc+0x31/0x3b0 [ 2971.044011][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2971.044011][ T75] ip_route_input_noref+0xe6/0x230 [ 2971.044011][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2971.044011][ T75] ip_rcv+0x16b/0x470 [ 2971.044011][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2971.044011][ T75] process_backlog+0x103/0x670 [ 2971.044011][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2971.044011][ T75] net_rx_action+0x49f/0xc00 [ 2971.044011][ T75] __do_softirq+0x1f8/0x5df [ 2971.044011][ T75] [ 2981.291498][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2981.292083][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2981.292083][ T75] dst_init+0x84/0x4a0 [ 2981.292083][ T75] dst_alloc+0x97/0x150 [ 2981.292083][ T75] rt_dst_alloc+0x31/0x3b0 [ 2981.292083][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2981.292083][ T75] ip_route_input_noref+0xe6/0x230 [ 2981.292083][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2981.292083][ T75] ip_rcv+0x16b/0x470 [ 2981.292083][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2981.292083][ T75] process_backlog+0x103/0x670 [ 2981.292083][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2981.292083][ T75] net_rx_action+0x49f/0xc00 [ 2981.292083][ T75] __do_softirq+0x1f8/0x5df [ 2981.292083][ T75] [ 2991.539475][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 2991.539992][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 2991.539992][ T75] dst_init+0x84/0x4a0 [ 2991.539992][ T75] dst_alloc+0x97/0x150 [ 2991.539992][ T75] rt_dst_alloc+0x31/0x3b0 [ 2991.539992][ T75] ip_route_input_slow+0xe44/0x1d70 [ 2991.539992][ T75] ip_route_input_noref+0xe6/0x230 [ 2991.539992][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 2991.539992][ T75] ip_rcv+0x16b/0x470 [ 2991.539992][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 2991.539992][ T75] process_backlog+0x103/0x670 [ 2991.539992][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 2991.539992][ T75] net_rx_action+0x49f/0xc00 [ 2991.539992][ T75] __do_softirq+0x1f8/0x5df [ 2991.539992][ T75] [ 3001.787440][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3001.787944][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3001.787944][ T75] dst_init+0x84/0x4a0 [ 3001.787944][ T75] dst_alloc+0x97/0x150 [ 3001.787944][ T75] rt_dst_alloc+0x31/0x3b0 [ 3001.787944][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3001.787944][ T75] ip_route_input_noref+0xe6/0x230 [ 3001.787944][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3001.787944][ T75] ip_rcv+0x16b/0x470 [ 3001.787944][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3001.787944][ T75] process_backlog+0x103/0x670 [ 3001.787944][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3001.787944][ T75] net_rx_action+0x49f/0xc00 [ 3001.787944][ T75] __do_softirq+0x1f8/0x5df [ 3001.787944][ T75] [ 3012.035422][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3012.035857][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3012.035857][ T75] dst_init+0x84/0x4a0 [ 3012.035857][ T75] dst_alloc+0x97/0x150 [ 3012.035857][ T75] rt_dst_alloc+0x31/0x3b0 [ 3012.035857][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3012.035857][ T75] ip_route_input_noref+0xe6/0x230 [ 3012.035857][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3012.035857][ T75] ip_rcv+0x16b/0x470 [ 3012.035857][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3012.035857][ T75] process_backlog+0x103/0x670 [ 3012.035857][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3012.035857][ T75] net_rx_action+0x49f/0xc00 [ 3012.035857][ T75] __do_softirq+0x1f8/0x5df [ 3012.035857][ T75] [ 3022.283435][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3022.284156][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3022.284156][ T75] dst_init+0x84/0x4a0 [ 3022.284156][ T75] dst_alloc+0x97/0x150 [ 3022.284156][ T75] rt_dst_alloc+0x31/0x3b0 [ 3022.284156][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3022.284156][ T75] ip_route_input_noref+0xe6/0x230 [ 3022.284156][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3022.284156][ T75] ip_rcv+0x16b/0x470 [ 3022.284156][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3022.284156][ T75] process_backlog+0x103/0x670 [ 3022.284156][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3022.284156][ T75] net_rx_action+0x49f/0xc00 [ 3022.284156][ T75] __do_softirq+0x1f8/0x5df [ 3022.284156][ T75] [ 3032.531400][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3032.531882][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3032.531882][ T75] dst_init+0x84/0x4a0 [ 3032.531882][ T75] dst_alloc+0x97/0x150 [ 3032.531882][ T75] rt_dst_alloc+0x31/0x3b0 [ 3032.531882][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3032.531882][ T75] ip_route_input_noref+0xe6/0x230 [ 3032.531882][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3032.531882][ T75] ip_rcv+0x16b/0x470 [ 3032.531882][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3032.531882][ T75] process_backlog+0x103/0x670 [ 3032.531882][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3032.531882][ T75] net_rx_action+0x49f/0xc00 [ 3032.531882][ T75] __do_softirq+0x1f8/0x5df [ 3032.531882][ T75] [ 3042.779433][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3042.779929][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3042.779929][ T75] dst_init+0x84/0x4a0 [ 3042.779929][ T75] dst_alloc+0x97/0x150 [ 3042.779929][ T75] rt_dst_alloc+0x31/0x3b0 [ 3042.779929][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3042.779929][ T75] ip_route_input_noref+0xe6/0x230 [ 3042.779929][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3042.779929][ T75] ip_rcv+0x16b/0x470 [ 3042.779929][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3042.779929][ T75] process_backlog+0x103/0x670 [ 3042.779929][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3042.779929][ T75] net_rx_action+0x49f/0xc00 [ 3042.779929][ T75] __do_softirq+0x1f8/0x5df [ 3042.779929][ T75] [ 3053.027445][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3053.027871][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3053.027871][ T75] dst_init+0x84/0x4a0 [ 3053.027871][ T75] dst_alloc+0x97/0x150 [ 3053.027871][ T75] rt_dst_alloc+0x31/0x3b0 [ 3053.027871][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3053.027871][ T75] ip_route_input_noref+0xe6/0x230 [ 3053.027871][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3053.027871][ T75] ip_rcv+0x16b/0x470 [ 3053.027871][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3053.027871][ T75] process_backlog+0x103/0x670 [ 3053.027871][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3053.027871][ T75] net_rx_action+0x49f/0xc00 [ 3053.027871][ T75] __do_softirq+0x1f8/0x5df [ 3053.027871][ T75] [ 3063.275419][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3063.275795][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3063.275795][ T75] dst_init+0x84/0x4a0 [ 3063.275795][ T75] dst_alloc+0x97/0x150 [ 3063.275795][ T75] rt_dst_alloc+0x31/0x3b0 [ 3063.275795][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3063.275795][ T75] ip_route_input_noref+0xe6/0x230 [ 3063.275795][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3063.275795][ T75] ip_rcv+0x16b/0x470 [ 3063.275795][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3063.275795][ T75] process_backlog+0x103/0x670 [ 3063.275795][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3063.275795][ T75] net_rx_action+0x49f/0xc00 [ 3063.275795][ T75] __do_softirq+0x1f8/0x5df [ 3063.275795][ T75] [ 3073.523406][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3073.523915][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3073.523915][ T75] dst_init+0x84/0x4a0 [ 3073.523915][ T75] dst_alloc+0x97/0x150 [ 3073.523915][ T75] rt_dst_alloc+0x31/0x3b0 [ 3073.523915][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3073.523915][ T75] ip_route_input_noref+0xe6/0x230 [ 3073.523915][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3073.523915][ T75] ip_rcv+0x16b/0x470 [ 3073.523915][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3073.523915][ T75] process_backlog+0x103/0x670 [ 3073.523915][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3073.523915][ T75] net_rx_action+0x49f/0xc00 [ 3073.523915][ T75] __do_softirq+0x1f8/0x5df [ 3073.523915][ T75] [ 3083.771433][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3083.771919][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3083.771919][ T75] dst_init+0x84/0x4a0 [ 3083.771919][ T75] dst_alloc+0x97/0x150 [ 3083.771919][ T75] rt_dst_alloc+0x31/0x3b0 [ 3083.771919][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3083.771919][ T75] ip_route_input_noref+0xe6/0x230 [ 3083.771919][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3083.771919][ T75] ip_rcv+0x16b/0x470 [ 3083.771919][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3083.771919][ T75] process_backlog+0x103/0x670 [ 3083.771919][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3083.771919][ T75] net_rx_action+0x49f/0xc00 [ 3083.771919][ T75] __do_softirq+0x1f8/0x5df [ 3083.771919][ T75] [ 3094.019440][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3094.019999][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3094.019999][ T75] dst_init+0x84/0x4a0 [ 3094.019999][ T75] dst_alloc+0x97/0x150 [ 3094.019999][ T75] rt_dst_alloc+0x31/0x3b0 [ 3094.019999][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3094.019999][ T75] ip_route_input_noref+0xe6/0x230 [ 3094.019999][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3094.019999][ T75] ip_rcv+0x16b/0x470 [ 3094.019999][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3094.019999][ T75] process_backlog+0x103/0x670 [ 3094.019999][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3094.019999][ T75] net_rx_action+0x49f/0xc00 [ 3094.019999][ T75] __do_softirq+0x1f8/0x5df [ 3094.019999][ T75] [ 3104.267491][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3104.267951][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3104.267951][ T75] dst_init+0x84/0x4a0 [ 3104.267951][ T75] dst_alloc+0x97/0x150 [ 3104.267951][ T75] rt_dst_alloc+0x31/0x3b0 [ 3104.267951][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3104.267951][ T75] ip_route_input_noref+0xe6/0x230 [ 3104.267951][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3104.267951][ T75] ip_rcv+0x16b/0x470 [ 3104.267951][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3104.267951][ T75] process_backlog+0x103/0x670 [ 3104.267951][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3104.267951][ T75] net_rx_action+0x49f/0xc00 [ 3104.267951][ T75] __do_softirq+0x1f8/0x5df [ 3104.267951][ T75] [ 3114.515476][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3114.515847][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3114.515847][ T75] dst_init+0x84/0x4a0 [ 3114.515847][ T75] dst_alloc+0x97/0x150 [ 3114.515847][ T75] rt_dst_alloc+0x31/0x3b0 [ 3114.515847][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3114.515847][ T75] ip_route_input_noref+0xe6/0x230 [ 3114.515847][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3114.515847][ T75] ip_rcv+0x16b/0x470 [ 3114.515847][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3114.515847][ T75] process_backlog+0x103/0x670 [ 3114.515847][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3114.515847][ T75] net_rx_action+0x49f/0xc00 [ 3114.515847][ T75] __do_softirq+0x1f8/0x5df [ 3114.515847][ T75] [ 3124.763434][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3124.763966][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3124.763966][ T75] dst_init+0x84/0x4a0 [ 3124.763966][ T75] dst_alloc+0x97/0x150 [ 3124.763966][ T75] rt_dst_alloc+0x31/0x3b0 [ 3124.763966][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3124.763966][ T75] ip_route_input_noref+0xe6/0x230 [ 3124.763966][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3124.763966][ T75] ip_rcv+0x16b/0x470 [ 3124.763966][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3124.763966][ T75] process_backlog+0x103/0x670 [ 3124.763966][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3124.763966][ T75] net_rx_action+0x49f/0xc00 [ 3124.763966][ T75] __do_softirq+0x1f8/0x5df [ 3124.763966][ T75] [ 3135.011489][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3135.011917][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3135.011917][ T75] dst_init+0x84/0x4a0 [ 3135.011917][ T75] dst_alloc+0x97/0x150 [ 3135.011917][ T75] rt_dst_alloc+0x31/0x3b0 [ 3135.011917][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3135.011917][ T75] ip_route_input_noref+0xe6/0x230 [ 3135.011917][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3135.011917][ T75] ip_rcv+0x16b/0x470 [ 3135.011917][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3135.011917][ T75] process_backlog+0x103/0x670 [ 3135.011917][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3135.011917][ T75] net_rx_action+0x49f/0xc00 [ 3135.011917][ T75] __do_softirq+0x1f8/0x5df [ 3135.011917][ T75] [ 3145.259403][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3145.259832][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3145.259832][ T75] dst_init+0x84/0x4a0 [ 3145.259832][ T75] dst_alloc+0x97/0x150 [ 3145.259832][ T75] rt_dst_alloc+0x31/0x3b0 [ 3145.259832][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3145.259832][ T75] ip_route_input_noref+0xe6/0x230 [ 3145.259832][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3145.259832][ T75] ip_rcv+0x16b/0x470 [ 3145.259832][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3145.259832][ T75] process_backlog+0x103/0x670 [ 3145.259832][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3145.259832][ T75] net_rx_action+0x49f/0xc00 [ 3145.259832][ T75] __do_softirq+0x1f8/0x5df [ 3145.259832][ T75] [ 3155.507409][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3155.507777][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3155.507777][ T75] dst_init+0x84/0x4a0 [ 3155.507777][ T75] dst_alloc+0x97/0x150 [ 3155.507777][ T75] rt_dst_alloc+0x31/0x3b0 [ 3155.507777][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3155.507777][ T75] ip_route_input_noref+0xe6/0x230 [ 3155.507777][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3155.507777][ T75] ip_rcv+0x16b/0x470 [ 3155.507777][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3155.507777][ T75] process_backlog+0x103/0x670 [ 3155.507777][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3155.507777][ T75] net_rx_action+0x49f/0xc00 [ 3155.507777][ T75] __do_softirq+0x1f8/0x5df [ 3155.507777][ T75] [ 3165.755413][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3165.755967][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3165.755967][ T75] dst_init+0x84/0x4a0 [ 3165.755967][ T75] dst_alloc+0x97/0x150 [ 3165.755967][ T75] rt_dst_alloc+0x31/0x3b0 [ 3165.755967][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3165.755967][ T75] ip_route_input_noref+0xe6/0x230 [ 3165.755967][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3165.755967][ T75] ip_rcv+0x16b/0x470 [ 3165.755967][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3165.755967][ T75] process_backlog+0x103/0x670 [ 3165.755967][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3165.755967][ T75] net_rx_action+0x49f/0xc00 [ 3165.755967][ T75] __do_softirq+0x1f8/0x5df [ 3165.755967][ T75] [ 3176.003392][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3176.003758][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3176.003758][ T75] dst_init+0x84/0x4a0 [ 3176.003758][ T75] dst_alloc+0x97/0x150 [ 3176.003758][ T75] rt_dst_alloc+0x31/0x3b0 [ 3176.003758][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3176.003758][ T75] ip_route_input_noref+0xe6/0x230 [ 3176.003758][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3176.003758][ T75] ip_rcv+0x16b/0x470 [ 3176.003758][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3176.003758][ T75] process_backlog+0x103/0x670 [ 3176.003758][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3176.003758][ T75] net_rx_action+0x49f/0xc00 [ 3176.003758][ T75] __do_softirq+0x1f8/0x5df [ 3176.003758][ T75] [ 3186.251486][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3186.251925][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3186.251925][ T75] dst_init+0x84/0x4a0 [ 3186.251925][ T75] dst_alloc+0x97/0x150 [ 3186.251925][ T75] rt_dst_alloc+0x31/0x3b0 [ 3186.251925][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3186.251925][ T75] ip_route_input_noref+0xe6/0x230 [ 3186.251925][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3186.251925][ T75] ip_rcv+0x16b/0x470 [ 3186.251925][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3186.251925][ T75] process_backlog+0x103/0x670 [ 3186.251925][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3186.251925][ T75] net_rx_action+0x49f/0xc00 [ 3186.251925][ T75] __do_softirq+0x1f8/0x5df [ 3186.251925][ T75] [ 3196.499414][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3196.499948][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3196.499948][ T75] dst_init+0x84/0x4a0 [ 3196.499948][ T75] dst_alloc+0x97/0x150 [ 3196.499948][ T75] rt_dst_alloc+0x31/0x3b0 [ 3196.499948][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3196.499948][ T75] ip_route_input_noref+0xe6/0x230 [ 3196.499948][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3196.499948][ T75] ip_rcv+0x16b/0x470 [ 3196.499948][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3196.499948][ T75] process_backlog+0x103/0x670 [ 3196.499948][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3196.499948][ T75] net_rx_action+0x49f/0xc00 [ 3196.499948][ T75] __do_softirq+0x1f8/0x5df [ 3196.499948][ T75] [ 3206.747443][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3206.748011][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3206.748011][ T75] dst_init+0x84/0x4a0 [ 3206.748011][ T75] dst_alloc+0x97/0x150 [ 3206.748011][ T75] rt_dst_alloc+0x31/0x3b0 [ 3206.748011][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3206.748011][ T75] ip_route_input_noref+0xe6/0x230 [ 3206.748011][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3206.748011][ T75] ip_rcv+0x16b/0x470 [ 3206.748011][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3206.748011][ T75] process_backlog+0x103/0x670 [ 3206.748011][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3206.748011][ T75] net_rx_action+0x49f/0xc00 [ 3206.748011][ T75] __do_softirq+0x1f8/0x5df [ 3206.748011][ T75] [ 3216.995397][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3216.995858][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3216.995858][ T75] dst_init+0x84/0x4a0 [ 3216.995858][ T75] dst_alloc+0x97/0x150 [ 3216.995858][ T75] rt_dst_alloc+0x31/0x3b0 [ 3216.995858][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3216.995858][ T75] ip_route_input_noref+0xe6/0x230 [ 3216.995858][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3216.995858][ T75] ip_rcv+0x16b/0x470 [ 3216.995858][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3216.995858][ T75] process_backlog+0x103/0x670 [ 3216.995858][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3216.995858][ T75] net_rx_action+0x49f/0xc00 [ 3216.995858][ T75] __do_softirq+0x1f8/0x5df [ 3216.995858][ T75] [ 3227.243424][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3227.243864][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3227.243864][ T75] dst_init+0x84/0x4a0 [ 3227.243864][ T75] dst_alloc+0x97/0x150 [ 3227.243864][ T75] rt_dst_alloc+0x31/0x3b0 [ 3227.243864][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3227.243864][ T75] ip_route_input_noref+0xe6/0x230 [ 3227.243864][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3227.243864][ T75] ip_rcv+0x16b/0x470 [ 3227.243864][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3227.243864][ T75] process_backlog+0x103/0x670 [ 3227.243864][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3227.243864][ T75] net_rx_action+0x49f/0xc00 [ 3227.243864][ T75] __do_softirq+0x1f8/0x5df [ 3227.243864][ T75] [ 3237.491449][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3237.491991][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3237.491991][ T75] dst_init+0x84/0x4a0 [ 3237.491991][ T75] dst_alloc+0x97/0x150 [ 3237.491991][ T75] rt_dst_alloc+0x31/0x3b0 [ 3237.491991][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3237.491991][ T75] ip_route_input_noref+0xe6/0x230 [ 3237.491991][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3237.491991][ T75] ip_rcv+0x16b/0x470 [ 3237.491991][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3237.491991][ T75] process_backlog+0x103/0x670 [ 3237.491991][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3237.491991][ T75] net_rx_action+0x49f/0xc00 [ 3237.491991][ T75] __do_softirq+0x1f8/0x5df [ 3237.491991][ T75] [ 3247.739477][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3247.740007][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3247.740007][ T75] dst_init+0x84/0x4a0 [ 3247.740007][ T75] dst_alloc+0x97/0x150 [ 3247.740007][ T75] rt_dst_alloc+0x31/0x3b0 [ 3247.740007][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3247.740007][ T75] ip_route_input_noref+0xe6/0x230 [ 3247.740007][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3247.740007][ T75] ip_rcv+0x16b/0x470 [ 3247.740007][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3247.740007][ T75] process_backlog+0x103/0x670 [ 3247.740007][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3247.740007][ T75] net_rx_action+0x49f/0xc00 [ 3247.740007][ T75] __do_softirq+0x1f8/0x5df [ 3247.740007][ T75] [ 3257.987400][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3257.987797][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3257.987797][ T75] dst_init+0x84/0x4a0 [ 3257.987797][ T75] dst_alloc+0x97/0x150 [ 3257.987797][ T75] rt_dst_alloc+0x31/0x3b0 [ 3257.987797][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3257.987797][ T75] ip_route_input_noref+0xe6/0x230 [ 3257.987797][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3257.987797][ T75] ip_rcv+0x16b/0x470 [ 3257.987797][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3257.987797][ T75] process_backlog+0x103/0x670 [ 3257.987797][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3257.987797][ T75] net_rx_action+0x49f/0xc00 [ 3257.987797][ T75] __do_softirq+0x1f8/0x5df [ 3257.987797][ T75] [ 3268.235419][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3268.235883][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3268.235883][ T75] dst_init+0x84/0x4a0 [ 3268.235883][ T75] dst_alloc+0x97/0x150 [ 3268.235883][ T75] rt_dst_alloc+0x31/0x3b0 [ 3268.235883][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3268.235883][ T75] ip_route_input_noref+0xe6/0x230 [ 3268.235883][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3268.235883][ T75] ip_rcv+0x16b/0x470 [ 3268.235883][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3268.235883][ T75] process_backlog+0x103/0x670 [ 3268.235883][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3268.235883][ T75] net_rx_action+0x49f/0xc00 [ 3268.235883][ T75] __do_softirq+0x1f8/0x5df [ 3268.235883][ T75] [ 3278.483400][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3278.483852][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3278.483852][ T75] dst_init+0x84/0x4a0 [ 3278.483852][ T75] dst_alloc+0x97/0x150 [ 3278.483852][ T75] rt_dst_alloc+0x31/0x3b0 [ 3278.483852][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3278.483852][ T75] ip_route_input_noref+0xe6/0x230 [ 3278.483852][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3278.483852][ T75] ip_rcv+0x16b/0x470 [ 3278.483852][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3278.483852][ T75] process_backlog+0x103/0x670 [ 3278.483852][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3278.483852][ T75] net_rx_action+0x49f/0xc00 [ 3278.483852][ T75] __do_softirq+0x1f8/0x5df [ 3278.483852][ T75] [ 3288.731474][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3288.731869][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3288.731869][ T75] dst_init+0x84/0x4a0 [ 3288.731869][ T75] dst_alloc+0x97/0x150 [ 3288.731869][ T75] rt_dst_alloc+0x31/0x3b0 [ 3288.731869][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3288.731869][ T75] ip_route_input_noref+0xe6/0x230 [ 3288.731869][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3288.731869][ T75] ip_rcv+0x16b/0x470 [ 3288.731869][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3288.731869][ T75] process_backlog+0x103/0x670 [ 3288.731869][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3288.731869][ T75] net_rx_action+0x49f/0xc00 [ 3288.731869][ T75] __do_softirq+0x1f8/0x5df [ 3288.731869][ T75] [ 3298.979430][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3298.979804][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3298.979804][ T75] dst_init+0x84/0x4a0 [ 3298.979804][ T75] dst_alloc+0x97/0x150 [ 3298.979804][ T75] rt_dst_alloc+0x31/0x3b0 [ 3298.979804][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3298.979804][ T75] ip_route_input_noref+0xe6/0x230 [ 3298.979804][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3298.979804][ T75] ip_rcv+0x16b/0x470 [ 3298.979804][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3298.979804][ T75] process_backlog+0x103/0x670 [ 3298.979804][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3298.979804][ T75] net_rx_action+0x49f/0xc00 [ 3298.979804][ T75] __do_softirq+0x1f8/0x5df [ 3298.979804][ T75] [ 3309.227464][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3309.227949][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3309.227949][ T75] dst_init+0x84/0x4a0 [ 3309.227949][ T75] dst_alloc+0x97/0x150 [ 3309.227949][ T75] rt_dst_alloc+0x31/0x3b0 [ 3309.227949][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3309.227949][ T75] ip_route_input_noref+0xe6/0x230 [ 3309.227949][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3309.227949][ T75] ip_rcv+0x16b/0x470 [ 3309.227949][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3309.227949][ T75] process_backlog+0x103/0x670 [ 3309.227949][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3309.227949][ T75] net_rx_action+0x49f/0xc00 [ 3309.227949][ T75] __do_softirq+0x1f8/0x5df [ 3309.227949][ T75] [ 3319.475468][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3319.475903][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3319.475903][ T75] dst_init+0x84/0x4a0 [ 3319.475903][ T75] dst_alloc+0x97/0x150 [ 3319.475903][ T75] rt_dst_alloc+0x31/0x3b0 [ 3319.475903][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3319.475903][ T75] ip_route_input_noref+0xe6/0x230 [ 3319.475903][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3319.475903][ T75] ip_rcv+0x16b/0x470 [ 3319.475903][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3319.475903][ T75] process_backlog+0x103/0x670 [ 3319.475903][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3319.475903][ T75] net_rx_action+0x49f/0xc00 [ 3319.475903][ T75] __do_softirq+0x1f8/0x5df [ 3319.475903][ T75] [ 3329.723436][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3329.723878][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3329.723878][ T75] dst_init+0x84/0x4a0 [ 3329.723878][ T75] dst_alloc+0x97/0x150 [ 3329.723878][ T75] rt_dst_alloc+0x31/0x3b0 [ 3329.723878][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3329.723878][ T75] ip_route_input_noref+0xe6/0x230 [ 3329.723878][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3329.723878][ T75] ip_rcv+0x16b/0x470 [ 3329.723878][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3329.723878][ T75] process_backlog+0x103/0x670 [ 3329.723878][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3329.723878][ T75] net_rx_action+0x49f/0xc00 [ 3329.723878][ T75] __do_softirq+0x1f8/0x5df [ 3329.723878][ T75] [ 3339.971449][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3339.971901][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3339.971901][ T75] dst_init+0x84/0x4a0 [ 3339.971901][ T75] dst_alloc+0x97/0x150 [ 3339.971901][ T75] rt_dst_alloc+0x31/0x3b0 [ 3339.971901][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3339.971901][ T75] ip_route_input_noref+0xe6/0x230 [ 3339.971901][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3339.971901][ T75] ip_rcv+0x16b/0x470 [ 3339.971901][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3339.971901][ T75] process_backlog+0x103/0x670 [ 3339.971901][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3339.971901][ T75] net_rx_action+0x49f/0xc00 [ 3339.971901][ T75] __do_softirq+0x1f8/0x5df [ 3339.971901][ T75] [ 3350.219433][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3350.219901][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3350.219901][ T75] dst_init+0x84/0x4a0 [ 3350.219901][ T75] dst_alloc+0x97/0x150 [ 3350.219901][ T75] rt_dst_alloc+0x31/0x3b0 [ 3350.219901][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3350.219901][ T75] ip_route_input_noref+0xe6/0x230 [ 3350.219901][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3350.219901][ T75] ip_rcv+0x16b/0x470 [ 3350.219901][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3350.219901][ T75] process_backlog+0x103/0x670 [ 3350.219901][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3350.219901][ T75] net_rx_action+0x49f/0xc00 [ 3350.219901][ T75] __do_softirq+0x1f8/0x5df [ 3350.219901][ T75] [ 3360.467353][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3360.467748][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3360.467748][ T75] dst_init+0x84/0x4a0 [ 3360.467748][ T75] dst_alloc+0x97/0x150 [ 3360.467748][ T75] rt_dst_alloc+0x31/0x3b0 [ 3360.467748][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3360.467748][ T75] ip_route_input_noref+0xe6/0x230 [ 3360.467748][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3360.467748][ T75] ip_rcv+0x16b/0x470 [ 3360.467748][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3360.467748][ T75] process_backlog+0x103/0x670 [ 3360.467748][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3360.467748][ T75] net_rx_action+0x49f/0xc00 [ 3360.467748][ T75] __do_softirq+0x1f8/0x5df [ 3360.467748][ T75] [ 3370.715451][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3370.715944][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3370.715944][ T75] dst_init+0x84/0x4a0 [ 3370.715944][ T75] dst_alloc+0x97/0x150 [ 3370.715944][ T75] rt_dst_alloc+0x31/0x3b0 [ 3370.715944][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3370.715944][ T75] ip_route_input_noref+0xe6/0x230 [ 3370.715944][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3370.715944][ T75] ip_rcv+0x16b/0x470 [ 3370.715944][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3370.715944][ T75] process_backlog+0x103/0x670 [ 3370.715944][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3370.715944][ T75] net_rx_action+0x49f/0xc00 [ 3370.715944][ T75] __do_softirq+0x1f8/0x5df [ 3370.715944][ T75] [ 3380.963432][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3380.963958][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3380.963958][ T75] dst_init+0x84/0x4a0 [ 3380.963958][ T75] dst_alloc+0x97/0x150 [ 3380.963958][ T75] rt_dst_alloc+0x31/0x3b0 [ 3380.963958][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3380.963958][ T75] ip_route_input_noref+0xe6/0x230 [ 3380.963958][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3380.963958][ T75] ip_rcv+0x16b/0x470 [ 3380.963958][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3380.963958][ T75] process_backlog+0x103/0x670 [ 3380.963958][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3380.963958][ T75] net_rx_action+0x49f/0xc00 [ 3380.963958][ T75] __do_softirq+0x1f8/0x5df [ 3380.963958][ T75] [ 3391.211461][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3391.211852][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3391.211852][ T75] dst_init+0x84/0x4a0 [ 3391.211852][ T75] dst_alloc+0x97/0x150 [ 3391.211852][ T75] rt_dst_alloc+0x31/0x3b0 [ 3391.211852][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3391.211852][ T75] ip_route_input_noref+0xe6/0x230 [ 3391.211852][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3391.211852][ T75] ip_rcv+0x16b/0x470 [ 3391.211852][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3391.211852][ T75] process_backlog+0x103/0x670 [ 3391.211852][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3391.211852][ T75] net_rx_action+0x49f/0xc00 [ 3391.211852][ T75] __do_softirq+0x1f8/0x5df [ 3391.211852][ T75] [ 3401.459413][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3401.459780][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3401.459780][ T75] dst_init+0x84/0x4a0 [ 3401.459780][ T75] dst_alloc+0x97/0x150 [ 3401.459780][ T75] rt_dst_alloc+0x31/0x3b0 [ 3401.459780][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3401.459780][ T75] ip_route_input_noref+0xe6/0x230 [ 3401.459780][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3401.459780][ T75] ip_rcv+0x16b/0x470 [ 3401.459780][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3401.459780][ T75] process_backlog+0x103/0x670 [ 3401.459780][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3401.459780][ T75] net_rx_action+0x49f/0xc00 [ 3401.459780][ T75] __do_softirq+0x1f8/0x5df [ 3401.459780][ T75] [ 3411.707524][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3411.707968][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3411.707968][ T75] dst_init+0x84/0x4a0 [ 3411.707968][ T75] dst_alloc+0x97/0x150 [ 3411.707968][ T75] rt_dst_alloc+0x31/0x3b0 [ 3411.707968][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3411.707968][ T75] ip_route_input_noref+0xe6/0x230 [ 3411.707968][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3411.707968][ T75] ip_rcv+0x16b/0x470 [ 3411.707968][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3411.707968][ T75] process_backlog+0x103/0x670 [ 3411.707968][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3411.707968][ T75] net_rx_action+0x49f/0xc00 [ 3411.707968][ T75] __do_softirq+0x1f8/0x5df [ 3411.707968][ T75] [ 3421.955402][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3421.955761][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3421.955761][ T75] dst_init+0x84/0x4a0 [ 3421.955761][ T75] dst_alloc+0x97/0x150 [ 3421.955761][ T75] rt_dst_alloc+0x31/0x3b0 [ 3421.955761][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3421.955761][ T75] ip_route_input_noref+0xe6/0x230 [ 3421.955761][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3421.955761][ T75] ip_rcv+0x16b/0x470 [ 3421.955761][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3421.955761][ T75] process_backlog+0x103/0x670 [ 3421.955761][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3421.955761][ T75] net_rx_action+0x49f/0xc00 [ 3421.955761][ T75] __do_softirq+0x1f8/0x5df [ 3421.955761][ T75] [ 3432.203560][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3432.203929][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3432.203929][ T75] dst_init+0x84/0x4a0 [ 3432.203929][ T75] dst_alloc+0x97/0x150 [ 3432.203929][ T75] rt_dst_alloc+0x31/0x3b0 [ 3432.203929][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3432.203929][ T75] ip_route_input_noref+0xe6/0x230 [ 3432.203929][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3432.203929][ T75] ip_rcv+0x16b/0x470 [ 3432.203929][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3432.203929][ T75] process_backlog+0x103/0x670 [ 3432.203929][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3432.203929][ T75] net_rx_action+0x49f/0xc00 [ 3432.203929][ T75] __do_softirq+0x1f8/0x5df [ 3432.203929][ T75] [ 3442.451459][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3442.451830][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3442.451830][ T75] dst_init+0x84/0x4a0 [ 3442.451830][ T75] dst_alloc+0x97/0x150 [ 3442.451830][ T75] rt_dst_alloc+0x31/0x3b0 [ 3442.451830][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3442.451830][ T75] ip_route_input_noref+0xe6/0x230 [ 3442.451830][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3442.451830][ T75] ip_rcv+0x16b/0x470 [ 3442.451830][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3442.451830][ T75] process_backlog+0x103/0x670 [ 3442.451830][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3442.451830][ T75] net_rx_action+0x49f/0xc00 [ 3442.451830][ T75] __do_softirq+0x1f8/0x5df [ 3442.451830][ T75] [ 3452.699460][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3452.699875][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3452.699875][ T75] dst_init+0x84/0x4a0 [ 3452.699875][ T75] dst_alloc+0x97/0x150 [ 3452.699875][ T75] rt_dst_alloc+0x31/0x3b0 [ 3452.699875][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3452.699875][ T75] ip_route_input_noref+0xe6/0x230 [ 3452.699875][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3452.699875][ T75] ip_rcv+0x16b/0x470 [ 3452.699875][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3452.699875][ T75] process_backlog+0x103/0x670 [ 3452.699875][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3452.699875][ T75] net_rx_action+0x49f/0xc00 [ 3452.699875][ T75] __do_softirq+0x1f8/0x5df [ 3452.699875][ T75] [ 3462.947475][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3462.947910][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3462.947910][ T75] dst_init+0x84/0x4a0 [ 3462.947910][ T75] dst_alloc+0x97/0x150 [ 3462.947910][ T75] rt_dst_alloc+0x31/0x3b0 [ 3462.947910][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3462.947910][ T75] ip_route_input_noref+0xe6/0x230 [ 3462.947910][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3462.947910][ T75] ip_rcv+0x16b/0x470 [ 3462.947910][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3462.947910][ T75] process_backlog+0x103/0x670 [ 3462.947910][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3462.947910][ T75] net_rx_action+0x49f/0xc00 [ 3462.947910][ T75] __do_softirq+0x1f8/0x5df [ 3462.947910][ T75] [ 3473.195495][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3473.195930][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3473.195930][ T75] dst_init+0x84/0x4a0 [ 3473.195930][ T75] dst_alloc+0x97/0x150 [ 3473.195930][ T75] rt_dst_alloc+0x31/0x3b0 [ 3473.195930][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3473.195930][ T75] ip_route_input_noref+0xe6/0x230 [ 3473.195930][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3473.195930][ T75] ip_rcv+0x16b/0x470 [ 3473.195930][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3473.195930][ T75] process_backlog+0x103/0x670 [ 3473.195930][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3473.195930][ T75] net_rx_action+0x49f/0xc00 [ 3473.195930][ T75] __do_softirq+0x1f8/0x5df [ 3473.195930][ T75] [ 3483.443477][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3483.443924][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3483.443924][ T75] dst_init+0x84/0x4a0 [ 3483.443924][ T75] dst_alloc+0x97/0x150 [ 3483.443924][ T75] rt_dst_alloc+0x31/0x3b0 [ 3483.443924][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3483.443924][ T75] ip_route_input_noref+0xe6/0x230 [ 3483.443924][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3483.443924][ T75] ip_rcv+0x16b/0x470 [ 3483.443924][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3483.443924][ T75] process_backlog+0x103/0x670 [ 3483.443924][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3483.443924][ T75] net_rx_action+0x49f/0xc00 [ 3483.443924][ T75] __do_softirq+0x1f8/0x5df [ 3483.443924][ T75] [ 3493.691443][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3493.691985][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3493.691985][ T75] dst_init+0x84/0x4a0 [ 3493.691985][ T75] dst_alloc+0x97/0x150 [ 3493.691985][ T75] rt_dst_alloc+0x31/0x3b0 [ 3493.691985][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3493.691985][ T75] ip_route_input_noref+0xe6/0x230 [ 3493.691985][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3493.691985][ T75] ip_rcv+0x16b/0x470 [ 3493.691985][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3493.691985][ T75] process_backlog+0x103/0x670 [ 3493.691985][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3493.691985][ T75] net_rx_action+0x49f/0xc00 [ 3493.691985][ T75] __do_softirq+0x1f8/0x5df [ 3493.691985][ T75] [ 3503.939414][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3503.940063][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3503.940063][ T75] dst_init+0x84/0x4a0 [ 3503.940063][ T75] dst_alloc+0x97/0x150 [ 3503.940063][ T75] rt_dst_alloc+0x31/0x3b0 [ 3503.940063][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3503.940063][ T75] ip_route_input_noref+0xe6/0x230 [ 3503.940063][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3503.940063][ T75] ip_rcv+0x16b/0x470 [ 3503.940063][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3503.940063][ T75] process_backlog+0x103/0x670 [ 3503.940063][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3503.940063][ T75] net_rx_action+0x49f/0xc00 [ 3503.940063][ T75] __do_softirq+0x1f8/0x5df [ 3503.940063][ T75] [ 3514.187447][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3514.187839][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3514.187839][ T75] dst_init+0x84/0x4a0 [ 3514.187839][ T75] dst_alloc+0x97/0x150 [ 3514.187839][ T75] rt_dst_alloc+0x31/0x3b0 [ 3514.187839][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3514.187839][ T75] ip_route_input_noref+0xe6/0x230 [ 3514.187839][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3514.187839][ T75] ip_rcv+0x16b/0x470 [ 3514.187839][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3514.187839][ T75] process_backlog+0x103/0x670 [ 3514.187839][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3514.187839][ T75] net_rx_action+0x49f/0xc00 [ 3514.187839][ T75] __do_softirq+0x1f8/0x5df [ 3514.187839][ T75] [ 3524.435470][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3524.435927][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3524.435927][ T75] dst_init+0x84/0x4a0 [ 3524.435927][ T75] dst_alloc+0x97/0x150 [ 3524.435927][ T75] rt_dst_alloc+0x31/0x3b0 [ 3524.435927][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3524.435927][ T75] ip_route_input_noref+0xe6/0x230 [ 3524.435927][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3524.435927][ T75] ip_rcv+0x16b/0x470 [ 3524.435927][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3524.435927][ T75] process_backlog+0x103/0x670 [ 3524.435927][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3524.435927][ T75] net_rx_action+0x49f/0xc00 [ 3524.435927][ T75] __do_softirq+0x1f8/0x5df [ 3524.435927][ T75] [ 3534.683515][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3534.683950][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3534.683950][ T75] dst_init+0x84/0x4a0 [ 3534.683950][ T75] dst_alloc+0x97/0x150 [ 3534.683950][ T75] rt_dst_alloc+0x31/0x3b0 [ 3534.683950][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3534.683950][ T75] ip_route_input_noref+0xe6/0x230 [ 3534.683950][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3534.683950][ T75] ip_rcv+0x16b/0x470 [ 3534.683950][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3534.683950][ T75] process_backlog+0x103/0x670 [ 3534.683950][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3534.683950][ T75] net_rx_action+0x49f/0xc00 [ 3534.683950][ T75] __do_softirq+0x1f8/0x5df [ 3534.683950][ T75] [ 3544.931393][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3544.931765][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3544.931765][ T75] dst_init+0x84/0x4a0 [ 3544.931765][ T75] dst_alloc+0x97/0x150 [ 3544.931765][ T75] rt_dst_alloc+0x31/0x3b0 [ 3544.931765][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3544.931765][ T75] ip_route_input_noref+0xe6/0x230 [ 3544.931765][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3544.931765][ T75] ip_rcv+0x16b/0x470 [ 3544.931765][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3544.931765][ T75] process_backlog+0x103/0x670 [ 3544.931765][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3544.931765][ T75] net_rx_action+0x49f/0xc00 [ 3544.931765][ T75] __do_softirq+0x1f8/0x5df [ 3544.931765][ T75] [ 3555.179456][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3555.180005][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3555.180005][ T75] dst_init+0x84/0x4a0 [ 3555.180005][ T75] dst_alloc+0x97/0x150 [ 3555.180005][ T75] rt_dst_alloc+0x31/0x3b0 [ 3555.180005][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3555.180005][ T75] ip_route_input_noref+0xe6/0x230 [ 3555.180005][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3555.180005][ T75] ip_rcv+0x16b/0x470 [ 3555.180005][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3555.180005][ T75] process_backlog+0x103/0x670 [ 3555.180005][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3555.180005][ T75] net_rx_action+0x49f/0xc00 [ 3555.180005][ T75] __do_softirq+0x1f8/0x5df [ 3555.180005][ T75] [ 3565.427392][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3565.427802][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3565.427802][ T75] dst_init+0x84/0x4a0 [ 3565.427802][ T75] dst_alloc+0x97/0x150 [ 3565.427802][ T75] rt_dst_alloc+0x31/0x3b0 [ 3565.427802][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3565.427802][ T75] ip_route_input_noref+0xe6/0x230 [ 3565.427802][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3565.427802][ T75] ip_rcv+0x16b/0x470 [ 3565.427802][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3565.427802][ T75] process_backlog+0x103/0x670 [ 3565.427802][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3565.427802][ T75] net_rx_action+0x49f/0xc00 [ 3565.427802][ T75] __do_softirq+0x1f8/0x5df [ 3565.427802][ T75] [ 3575.675419][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3575.675839][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3575.675839][ T75] dst_init+0x84/0x4a0 [ 3575.675839][ T75] dst_alloc+0x97/0x150 [ 3575.675839][ T75] rt_dst_alloc+0x31/0x3b0 [ 3575.675839][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3575.675839][ T75] ip_route_input_noref+0xe6/0x230 [ 3575.675839][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3575.675839][ T75] ip_rcv+0x16b/0x470 [ 3575.675839][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3575.675839][ T75] process_backlog+0x103/0x670 [ 3575.675839][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3575.675839][ T75] net_rx_action+0x49f/0xc00 [ 3575.675839][ T75] __do_softirq+0x1f8/0x5df [ 3575.675839][ T75] [ 3585.923426][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3585.923821][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3585.923821][ T75] dst_init+0x84/0x4a0 [ 3585.923821][ T75] dst_alloc+0x97/0x150 [ 3585.923821][ T75] rt_dst_alloc+0x31/0x3b0 [ 3585.923821][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3585.923821][ T75] ip_route_input_noref+0xe6/0x230 [ 3585.923821][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3585.923821][ T75] ip_rcv+0x16b/0x470 [ 3585.923821][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3585.923821][ T75] process_backlog+0x103/0x670 [ 3585.923821][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3585.923821][ T75] net_rx_action+0x49f/0xc00 [ 3585.923821][ T75] __do_softirq+0x1f8/0x5df [ 3585.923821][ T75] [ 3596.171465][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3596.172070][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3596.172070][ T75] dst_init+0x84/0x4a0 [ 3596.172070][ T75] dst_alloc+0x97/0x150 [ 3596.172070][ T75] rt_dst_alloc+0x31/0x3b0 [ 3596.172070][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3596.172070][ T75] ip_route_input_noref+0xe6/0x230 [ 3596.172070][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3596.172070][ T75] ip_rcv+0x16b/0x470 [ 3596.172070][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3596.172070][ T75] process_backlog+0x103/0x670 [ 3596.172070][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3596.172070][ T75] net_rx_action+0x49f/0xc00 [ 3596.172070][ T75] __do_softirq+0x1f8/0x5df [ 3596.172070][ T75] [ 3606.419431][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3606.420052][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3606.420052][ T75] dst_init+0x84/0x4a0 [ 3606.420052][ T75] dst_alloc+0x97/0x150 [ 3606.420052][ T75] rt_dst_alloc+0x31/0x3b0 [ 3606.420052][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3606.420052][ T75] ip_route_input_noref+0xe6/0x230 [ 3606.420052][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3606.420052][ T75] ip_rcv+0x16b/0x470 [ 3606.420052][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3606.420052][ T75] process_backlog+0x103/0x670 [ 3606.420052][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3606.420052][ T75] net_rx_action+0x49f/0xc00 [ 3606.420052][ T75] __do_softirq+0x1f8/0x5df [ 3606.420052][ T75] [ 3616.667405][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3616.667786][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3616.667786][ T75] dst_init+0x84/0x4a0 [ 3616.667786][ T75] dst_alloc+0x97/0x150 [ 3616.667786][ T75] rt_dst_alloc+0x31/0x3b0 [ 3616.667786][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3616.667786][ T75] ip_route_input_noref+0xe6/0x230 [ 3616.667786][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3616.667786][ T75] ip_rcv+0x16b/0x470 [ 3616.667786][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3616.667786][ T75] process_backlog+0x103/0x670 [ 3616.667786][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3616.667786][ T75] net_rx_action+0x49f/0xc00 [ 3616.667786][ T75] __do_softirq+0x1f8/0x5df [ 3616.667786][ T75] [ 3626.915523][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3626.916128][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3626.916128][ T75] dst_init+0x84/0x4a0 [ 3626.916128][ T75] dst_alloc+0x97/0x150 [ 3626.916128][ T75] rt_dst_alloc+0x31/0x3b0 [ 3626.916128][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3626.916128][ T75] ip_route_input_noref+0xe6/0x230 [ 3626.916128][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3626.916128][ T75] ip_rcv+0x16b/0x470 [ 3626.916128][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3626.916128][ T75] process_backlog+0x103/0x670 [ 3626.916128][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3626.916128][ T75] net_rx_action+0x49f/0xc00 [ 3626.916128][ T75] __do_softirq+0x1f8/0x5df [ 3626.916128][ T75] [ 3637.163421][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3637.164039][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3637.164039][ T75] dst_init+0x84/0x4a0 [ 3637.164039][ T75] dst_alloc+0x97/0x150 [ 3637.164039][ T75] rt_dst_alloc+0x31/0x3b0 [ 3637.164039][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3637.164039][ T75] ip_route_input_noref+0xe6/0x230 [ 3637.164039][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3637.164039][ T75] ip_rcv+0x16b/0x470 [ 3637.164039][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3637.164039][ T75] process_backlog+0x103/0x670 [ 3637.164039][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3637.164039][ T75] net_rx_action+0x49f/0xc00 [ 3637.164039][ T75] __do_softirq+0x1f8/0x5df [ 3637.164039][ T75] [ 3647.411427][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3647.411905][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3647.411905][ T75] dst_init+0x84/0x4a0 [ 3647.411905][ T75] dst_alloc+0x97/0x150 [ 3647.411905][ T75] rt_dst_alloc+0x31/0x3b0 [ 3647.411905][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3647.411905][ T75] ip_route_input_noref+0xe6/0x230 [ 3647.411905][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3647.411905][ T75] ip_rcv+0x16b/0x470 [ 3647.411905][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3647.411905][ T75] process_backlog+0x103/0x670 [ 3647.411905][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3647.411905][ T75] net_rx_action+0x49f/0xc00 [ 3647.411905][ T75] __do_softirq+0x1f8/0x5df [ 3647.411905][ T75] [ 3657.659447][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3657.659985][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3657.659985][ T75] dst_init+0x84/0x4a0 [ 3657.659985][ T75] dst_alloc+0x97/0x150 [ 3657.659985][ T75] rt_dst_alloc+0x31/0x3b0 [ 3657.659985][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3657.659985][ T75] ip_route_input_noref+0xe6/0x230 [ 3657.659985][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3657.659985][ T75] ip_rcv+0x16b/0x470 [ 3657.659985][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3657.659985][ T75] process_backlog+0x103/0x670 [ 3657.659985][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3657.659985][ T75] net_rx_action+0x49f/0xc00 [ 3657.659985][ T75] __do_softirq+0x1f8/0x5df [ 3657.659985][ T75] [ 3667.907424][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3667.907994][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3667.907994][ T75] dst_init+0x84/0x4a0 [ 3667.907994][ T75] dst_alloc+0x97/0x150 [ 3667.907994][ T75] rt_dst_alloc+0x31/0x3b0 [ 3667.907994][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3667.907994][ T75] ip_route_input_noref+0xe6/0x230 [ 3667.907994][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3667.907994][ T75] ip_rcv+0x16b/0x470 [ 3667.907994][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3667.907994][ T75] process_backlog+0x103/0x670 [ 3667.907994][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3667.907994][ T75] net_rx_action+0x49f/0xc00 [ 3667.907994][ T75] __do_softirq+0x1f8/0x5df [ 3667.907994][ T75] [ 3678.155449][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3678.155973][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3678.155973][ T75] dst_init+0x84/0x4a0 [ 3678.155973][ T75] dst_alloc+0x97/0x150 [ 3678.155973][ T75] rt_dst_alloc+0x31/0x3b0 [ 3678.155973][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3678.155973][ T75] ip_route_input_noref+0xe6/0x230 [ 3678.155973][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3678.155973][ T75] ip_rcv+0x16b/0x470 [ 3678.155973][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3678.155973][ T75] process_backlog+0x103/0x670 [ 3678.155973][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3678.155973][ T75] net_rx_action+0x49f/0xc00 [ 3678.155973][ T75] __do_softirq+0x1f8/0x5df [ 3678.155973][ T75] [ 3688.403407][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3688.403831][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3688.403831][ T75] dst_init+0x84/0x4a0 [ 3688.403831][ T75] dst_alloc+0x97/0x150 [ 3688.403831][ T75] rt_dst_alloc+0x31/0x3b0 [ 3688.403831][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3688.403831][ T75] ip_route_input_noref+0xe6/0x230 [ 3688.403831][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3688.403831][ T75] ip_rcv+0x16b/0x470 [ 3688.403831][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3688.403831][ T75] process_backlog+0x103/0x670 [ 3688.403831][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3688.403831][ T75] net_rx_action+0x49f/0xc00 [ 3688.403831][ T75] __do_softirq+0x1f8/0x5df [ 3688.403831][ T75] [ 3698.651394][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3698.651787][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3698.651787][ T75] dst_init+0x84/0x4a0 [ 3698.651787][ T75] dst_alloc+0x97/0x150 [ 3698.651787][ T75] rt_dst_alloc+0x31/0x3b0 [ 3698.651787][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3698.651787][ T75] ip_route_input_noref+0xe6/0x230 [ 3698.651787][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3698.651787][ T75] ip_rcv+0x16b/0x470 [ 3698.651787][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3698.651787][ T75] process_backlog+0x103/0x670 [ 3698.651787][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3698.651787][ T75] net_rx_action+0x49f/0xc00 [ 3698.651787][ T75] __do_softirq+0x1f8/0x5df [ 3698.651787][ T75] [ 3708.899416][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3708.899953][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3708.899953][ T75] dst_init+0x84/0x4a0 [ 3708.899953][ T75] dst_alloc+0x97/0x150 [ 3708.899953][ T75] rt_dst_alloc+0x31/0x3b0 [ 3708.899953][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3708.899953][ T75] ip_route_input_noref+0xe6/0x230 [ 3708.899953][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3708.899953][ T75] ip_rcv+0x16b/0x470 [ 3708.899953][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3708.899953][ T75] process_backlog+0x103/0x670 [ 3708.899953][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3708.899953][ T75] net_rx_action+0x49f/0xc00 [ 3708.899953][ T75] __do_softirq+0x1f8/0x5df [ 3708.899953][ T75] [ 3719.147436][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3719.147830][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3719.147830][ T75] dst_init+0x84/0x4a0 [ 3719.147830][ T75] dst_alloc+0x97/0x150 [ 3719.147830][ T75] rt_dst_alloc+0x31/0x3b0 [ 3719.147830][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3719.147830][ T75] ip_route_input_noref+0xe6/0x230 [ 3719.147830][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3719.147830][ T75] ip_rcv+0x16b/0x470 [ 3719.147830][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3719.147830][ T75] process_backlog+0x103/0x670 [ 3719.147830][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3719.147830][ T75] net_rx_action+0x49f/0xc00 [ 3719.147830][ T75] __do_softirq+0x1f8/0x5df [ 3719.147830][ T75] [ 3729.395448][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3729.395821][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3729.395821][ T75] dst_init+0x84/0x4a0 [ 3729.395821][ T75] dst_alloc+0x97/0x150 [ 3729.395821][ T75] rt_dst_alloc+0x31/0x3b0 [ 3729.395821][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3729.395821][ T75] ip_route_input_noref+0xe6/0x230 [ 3729.395821][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3729.395821][ T75] ip_rcv+0x16b/0x470 [ 3729.395821][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3729.395821][ T75] process_backlog+0x103/0x670 [ 3729.395821][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3729.395821][ T75] net_rx_action+0x49f/0xc00 [ 3729.395821][ T75] __do_softirq+0x1f8/0x5df [ 3729.395821][ T75] [ 3739.643411][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3739.643783][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3739.643783][ T75] dst_init+0x84/0x4a0 [ 3739.643783][ T75] dst_alloc+0x97/0x150 [ 3739.643783][ T75] rt_dst_alloc+0x31/0x3b0 [ 3739.643783][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3739.643783][ T75] ip_route_input_noref+0xe6/0x230 [ 3739.643783][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3739.643783][ T75] ip_rcv+0x16b/0x470 [ 3739.643783][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3739.643783][ T75] process_backlog+0x103/0x670 [ 3739.643783][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3739.643783][ T75] net_rx_action+0x49f/0xc00 [ 3739.643783][ T75] __do_softirq+0x1f8/0x5df [ 3739.643783][ T75] [ 3749.891395][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3749.891762][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3749.891762][ T75] dst_init+0x84/0x4a0 [ 3749.891762][ T75] dst_alloc+0x97/0x150 [ 3749.891762][ T75] rt_dst_alloc+0x31/0x3b0 [ 3749.891762][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3749.891762][ T75] ip_route_input_noref+0xe6/0x230 [ 3749.891762][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3749.891762][ T75] ip_rcv+0x16b/0x470 [ 3749.891762][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3749.891762][ T75] process_backlog+0x103/0x670 [ 3749.891762][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3749.891762][ T75] net_rx_action+0x49f/0xc00 [ 3749.891762][ T75] __do_softirq+0x1f8/0x5df [ 3749.891762][ T75] [ 3760.139399][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3760.139787][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3760.139787][ T75] dst_init+0x84/0x4a0 [ 3760.139787][ T75] dst_alloc+0x97/0x150 [ 3760.139787][ T75] rt_dst_alloc+0x31/0x3b0 [ 3760.139787][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3760.139787][ T75] ip_route_input_noref+0xe6/0x230 [ 3760.139787][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3760.139787][ T75] ip_rcv+0x16b/0x470 [ 3760.139787][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3760.139787][ T75] process_backlog+0x103/0x670 [ 3760.139787][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3760.139787][ T75] net_rx_action+0x49f/0xc00 [ 3760.139787][ T75] __do_softirq+0x1f8/0x5df [ 3760.139787][ T75] [ 3770.387407][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3770.387896][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3770.387896][ T75] dst_init+0x84/0x4a0 [ 3770.387896][ T75] dst_alloc+0x97/0x150 [ 3770.387896][ T75] rt_dst_alloc+0x31/0x3b0 [ 3770.387896][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3770.387896][ T75] ip_route_input_noref+0xe6/0x230 [ 3770.387896][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3770.387896][ T75] ip_rcv+0x16b/0x470 [ 3770.387896][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3770.387896][ T75] process_backlog+0x103/0x670 [ 3770.387896][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3770.387896][ T75] net_rx_action+0x49f/0xc00 [ 3770.387896][ T75] __do_softirq+0x1f8/0x5df [ 3770.387896][ T75] [ 3780.635459][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3780.635854][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3780.635854][ T75] dst_init+0x84/0x4a0 [ 3780.635854][ T75] dst_alloc+0x97/0x150 [ 3780.635854][ T75] rt_dst_alloc+0x31/0x3b0 [ 3780.635854][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3780.635854][ T75] ip_route_input_noref+0xe6/0x230 [ 3780.635854][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3780.635854][ T75] ip_rcv+0x16b/0x470 [ 3780.635854][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3780.635854][ T75] process_backlog+0x103/0x670 [ 3780.635854][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3780.635854][ T75] net_rx_action+0x49f/0xc00 [ 3780.635854][ T75] __do_softirq+0x1f8/0x5df [ 3780.635854][ T75] [ 3790.883450][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3790.883847][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3790.883847][ T75] dst_init+0x84/0x4a0 [ 3790.883847][ T75] dst_alloc+0x97/0x150 [ 3790.883847][ T75] rt_dst_alloc+0x31/0x3b0 [ 3790.883847][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3790.883847][ T75] ip_route_input_noref+0xe6/0x230 [ 3790.883847][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3790.883847][ T75] ip_rcv+0x16b/0x470 [ 3790.883847][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3790.883847][ T75] process_backlog+0x103/0x670 [ 3790.883847][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3790.883847][ T75] net_rx_action+0x49f/0xc00 [ 3790.883847][ T75] __do_softirq+0x1f8/0x5df [ 3790.883847][ T75] [ 3801.131413][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3801.131781][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3801.131781][ T75] dst_init+0x84/0x4a0 [ 3801.131781][ T75] dst_alloc+0x97/0x150 [ 3801.131781][ T75] rt_dst_alloc+0x31/0x3b0 [ 3801.131781][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3801.131781][ T75] ip_route_input_noref+0xe6/0x230 [ 3801.131781][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3801.131781][ T75] ip_rcv+0x16b/0x470 [ 3801.131781][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3801.131781][ T75] process_backlog+0x103/0x670 [ 3801.131781][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3801.131781][ T75] net_rx_action+0x49f/0xc00 [ 3801.131781][ T75] __do_softirq+0x1f8/0x5df [ 3801.131781][ T75] [ 3811.379418][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3811.379930][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3811.379930][ T75] dst_init+0x84/0x4a0 [ 3811.379930][ T75] dst_alloc+0x97/0x150 [ 3811.379930][ T75] rt_dst_alloc+0x31/0x3b0 [ 3811.379930][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3811.379930][ T75] ip_route_input_noref+0xe6/0x230 [ 3811.379930][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3811.379930][ T75] ip_rcv+0x16b/0x470 [ 3811.379930][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3811.379930][ T75] process_backlog+0x103/0x670 [ 3811.379930][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3811.379930][ T75] net_rx_action+0x49f/0xc00 [ 3811.379930][ T75] __do_softirq+0x1f8/0x5df [ 3811.379930][ T75] [ 3821.627426][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3821.627932][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3821.627932][ T75] dst_init+0x84/0x4a0 [ 3821.627932][ T75] dst_alloc+0x97/0x150 [ 3821.627932][ T75] rt_dst_alloc+0x31/0x3b0 [ 3821.627932][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3821.627932][ T75] ip_route_input_noref+0xe6/0x230 [ 3821.627932][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3821.627932][ T75] ip_rcv+0x16b/0x470 [ 3821.627932][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3821.627932][ T75] process_backlog+0x103/0x670 [ 3821.627932][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3821.627932][ T75] net_rx_action+0x49f/0xc00 [ 3821.627932][ T75] __do_softirq+0x1f8/0x5df [ 3821.627932][ T75] [ 3831.875469][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3831.875941][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3831.875941][ T75] dst_init+0x84/0x4a0 [ 3831.875941][ T75] dst_alloc+0x97/0x150 [ 3831.875941][ T75] rt_dst_alloc+0x31/0x3b0 [ 3831.875941][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3831.875941][ T75] ip_route_input_noref+0xe6/0x230 [ 3831.875941][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3831.875941][ T75] ip_rcv+0x16b/0x470 [ 3831.875941][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3831.875941][ T75] process_backlog+0x103/0x670 [ 3831.875941][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3831.875941][ T75] net_rx_action+0x49f/0xc00 [ 3831.875941][ T75] __do_softirq+0x1f8/0x5df [ 3831.875941][ T75] [ 3842.123511][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3842.123999][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3842.123999][ T75] dst_init+0x84/0x4a0 [ 3842.123999][ T75] dst_alloc+0x97/0x150 [ 3842.123999][ T75] rt_dst_alloc+0x31/0x3b0 [ 3842.123999][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3842.123999][ T75] ip_route_input_noref+0xe6/0x230 [ 3842.123999][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3842.123999][ T75] ip_rcv+0x16b/0x470 [ 3842.123999][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3842.123999][ T75] process_backlog+0x103/0x670 [ 3842.123999][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3842.123999][ T75] net_rx_action+0x49f/0xc00 [ 3842.123999][ T75] __do_softirq+0x1f8/0x5df [ 3842.123999][ T75] [ 3852.371397][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3852.371868][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3852.371868][ T75] dst_init+0x84/0x4a0 [ 3852.371868][ T75] dst_alloc+0x97/0x150 [ 3852.371868][ T75] rt_dst_alloc+0x31/0x3b0 [ 3852.371868][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3852.371868][ T75] ip_route_input_noref+0xe6/0x230 [ 3852.371868][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3852.371868][ T75] ip_rcv+0x16b/0x470 [ 3852.371868][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3852.371868][ T75] process_backlog+0x103/0x670 [ 3852.371868][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3852.371868][ T75] net_rx_action+0x49f/0xc00 [ 3852.371868][ T75] __do_softirq+0x1f8/0x5df [ 3852.371868][ T75] [ 3862.619438][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3862.619865][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3862.619865][ T75] dst_init+0x84/0x4a0 [ 3862.619865][ T75] dst_alloc+0x97/0x150 [ 3862.619865][ T75] rt_dst_alloc+0x31/0x3b0 [ 3862.619865][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3862.619865][ T75] ip_route_input_noref+0xe6/0x230 [ 3862.619865][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3862.619865][ T75] ip_rcv+0x16b/0x470 [ 3862.619865][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3862.619865][ T75] process_backlog+0x103/0x670 [ 3862.619865][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3862.619865][ T75] net_rx_action+0x49f/0xc00 [ 3862.619865][ T75] __do_softirq+0x1f8/0x5df [ 3862.619865][ T75] [ 3872.867472][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3872.868033][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3872.868033][ T75] dst_init+0x84/0x4a0 [ 3872.868033][ T75] dst_alloc+0x97/0x150 [ 3872.868033][ T75] rt_dst_alloc+0x31/0x3b0 [ 3872.868033][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3872.868033][ T75] ip_route_input_noref+0xe6/0x230 [ 3872.868033][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3872.868033][ T75] ip_rcv+0x16b/0x470 [ 3872.868033][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3872.868033][ T75] process_backlog+0x103/0x670 [ 3872.868033][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3872.868033][ T75] net_rx_action+0x49f/0xc00 [ 3872.868033][ T75] __do_softirq+0x1f8/0x5df [ 3872.868033][ T75] [ 3883.115463][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3883.115982][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3883.115982][ T75] dst_init+0x84/0x4a0 [ 3883.115982][ T75] dst_alloc+0x97/0x150 [ 3883.115982][ T75] rt_dst_alloc+0x31/0x3b0 [ 3883.115982][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3883.115982][ T75] ip_route_input_noref+0xe6/0x230 [ 3883.115982][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3883.115982][ T75] ip_rcv+0x16b/0x470 [ 3883.115982][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3883.115982][ T75] process_backlog+0x103/0x670 [ 3883.115982][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3883.115982][ T75] net_rx_action+0x49f/0xc00 [ 3883.115982][ T75] __do_softirq+0x1f8/0x5df [ 3883.115982][ T75] [ 3893.363478][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3893.364067][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3893.364067][ T75] dst_init+0x84/0x4a0 [ 3893.364067][ T75] dst_alloc+0x97/0x150 [ 3893.364067][ T75] rt_dst_alloc+0x31/0x3b0 [ 3893.364067][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3893.364067][ T75] ip_route_input_noref+0xe6/0x230 [ 3893.364067][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3893.364067][ T75] ip_rcv+0x16b/0x470 [ 3893.364067][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3893.364067][ T75] process_backlog+0x103/0x670 [ 3893.364067][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3893.364067][ T75] net_rx_action+0x49f/0xc00 [ 3893.364067][ T75] __do_softirq+0x1f8/0x5df [ 3893.364067][ T75] [ 3903.611448][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3903.611897][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3903.611897][ T75] dst_init+0x84/0x4a0 [ 3903.611897][ T75] dst_alloc+0x97/0x150 [ 3903.611897][ T75] rt_dst_alloc+0x31/0x3b0 [ 3903.611897][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3903.611897][ T75] ip_route_input_noref+0xe6/0x230 [ 3903.611897][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3903.611897][ T75] ip_rcv+0x16b/0x470 [ 3903.611897][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3903.611897][ T75] process_backlog+0x103/0x670 [ 3903.611897][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3903.611897][ T75] net_rx_action+0x49f/0xc00 [ 3903.611897][ T75] __do_softirq+0x1f8/0x5df [ 3903.611897][ T75] [ 3913.859431][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3913.860004][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3913.860004][ T75] dst_init+0x84/0x4a0 [ 3913.860004][ T75] dst_alloc+0x97/0x150 [ 3913.860004][ T75] rt_dst_alloc+0x31/0x3b0 [ 3913.860004][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3913.860004][ T75] ip_route_input_noref+0xe6/0x230 [ 3913.860004][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3913.860004][ T75] ip_rcv+0x16b/0x470 [ 3913.860004][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3913.860004][ T75] process_backlog+0x103/0x670 [ 3913.860004][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3913.860004][ T75] net_rx_action+0x49f/0xc00 [ 3913.860004][ T75] __do_softirq+0x1f8/0x5df [ 3913.860004][ T75] [ 3924.107433][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3924.107945][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3924.107945][ T75] dst_init+0x84/0x4a0 [ 3924.107945][ T75] dst_alloc+0x97/0x150 [ 3924.107945][ T75] rt_dst_alloc+0x31/0x3b0 [ 3924.107945][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3924.107945][ T75] ip_route_input_noref+0xe6/0x230 [ 3924.107945][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3924.107945][ T75] ip_rcv+0x16b/0x470 [ 3924.107945][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3924.107945][ T75] process_backlog+0x103/0x670 [ 3924.107945][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3924.107945][ T75] net_rx_action+0x49f/0xc00 [ 3924.107945][ T75] __do_softirq+0x1f8/0x5df [ 3924.107945][ T75] [ 3934.355417][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3934.355867][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3934.355867][ T75] dst_init+0x84/0x4a0 [ 3934.355867][ T75] dst_alloc+0x97/0x150 [ 3934.355867][ T75] rt_dst_alloc+0x31/0x3b0 [ 3934.355867][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3934.355867][ T75] ip_route_input_noref+0xe6/0x230 [ 3934.355867][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3934.355867][ T75] ip_rcv+0x16b/0x470 [ 3934.355867][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3934.355867][ T75] process_backlog+0x103/0x670 [ 3934.355867][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3934.355867][ T75] net_rx_action+0x49f/0xc00 [ 3934.355867][ T75] __do_softirq+0x1f8/0x5df [ 3934.355867][ T75] [ 3944.603444][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3944.603805][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3944.603805][ T75] dst_init+0x84/0x4a0 [ 3944.603805][ T75] dst_alloc+0x97/0x150 [ 3944.603805][ T75] rt_dst_alloc+0x31/0x3b0 [ 3944.603805][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3944.603805][ T75] ip_route_input_noref+0xe6/0x230 [ 3944.603805][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3944.603805][ T75] ip_rcv+0x16b/0x470 [ 3944.603805][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3944.603805][ T75] process_backlog+0x103/0x670 [ 3944.603805][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3944.603805][ T75] net_rx_action+0x49f/0xc00 [ 3944.603805][ T75] __do_softirq+0x1f8/0x5df [ 3944.603805][ T75] [ 3954.851447][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3954.852001][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3954.852001][ T75] dst_init+0x84/0x4a0 [ 3954.852001][ T75] dst_alloc+0x97/0x150 [ 3954.852001][ T75] rt_dst_alloc+0x31/0x3b0 [ 3954.852001][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3954.852001][ T75] ip_route_input_noref+0xe6/0x230 [ 3954.852001][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3954.852001][ T75] ip_rcv+0x16b/0x470 [ 3954.852001][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3954.852001][ T75] process_backlog+0x103/0x670 [ 3954.852001][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3954.852001][ T75] net_rx_action+0x49f/0xc00 [ 3954.852001][ T75] __do_softirq+0x1f8/0x5df [ 3954.852001][ T75] [ 3965.099437][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3965.099900][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3965.099900][ T75] dst_init+0x84/0x4a0 [ 3965.099900][ T75] dst_alloc+0x97/0x150 [ 3965.099900][ T75] rt_dst_alloc+0x31/0x3b0 [ 3965.099900][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3965.099900][ T75] ip_route_input_noref+0xe6/0x230 [ 3965.099900][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3965.099900][ T75] ip_rcv+0x16b/0x470 [ 3965.099900][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3965.099900][ T75] process_backlog+0x103/0x670 [ 3965.099900][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3965.099900][ T75] net_rx_action+0x49f/0xc00 [ 3965.099900][ T75] __do_softirq+0x1f8/0x5df [ 3965.099900][ T75] [ 3975.347441][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3975.347941][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3975.347941][ T75] dst_init+0x84/0x4a0 [ 3975.347941][ T75] dst_alloc+0x97/0x150 [ 3975.347941][ T75] rt_dst_alloc+0x31/0x3b0 [ 3975.347941][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3975.347941][ T75] ip_route_input_noref+0xe6/0x230 [ 3975.347941][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3975.347941][ T75] ip_rcv+0x16b/0x470 [ 3975.347941][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3975.347941][ T75] process_backlog+0x103/0x670 [ 3975.347941][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3975.347941][ T75] net_rx_action+0x49f/0xc00 [ 3975.347941][ T75] __do_softirq+0x1f8/0x5df [ 3975.347941][ T75] [ 3985.595587][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3985.596240][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3985.596240][ T75] dst_init+0x84/0x4a0 [ 3985.596240][ T75] dst_alloc+0x97/0x150 [ 3985.596240][ T75] rt_dst_alloc+0x31/0x3b0 [ 3985.596240][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3985.596240][ T75] ip_route_input_noref+0xe6/0x230 [ 3985.596240][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3985.596240][ T75] ip_rcv+0x16b/0x470 [ 3985.596240][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3985.596240][ T75] process_backlog+0x103/0x670 [ 3985.596240][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3985.596240][ T75] net_rx_action+0x49f/0xc00 [ 3985.596240][ T75] __do_softirq+0x1f8/0x5df [ 3985.596240][ T75] [ 3995.843574][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 3995.844241][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 3995.844241][ T75] dst_init+0x84/0x4a0 [ 3995.844241][ T75] dst_alloc+0x97/0x150 [ 3995.844241][ T75] rt_dst_alloc+0x31/0x3b0 [ 3995.844241][ T75] ip_route_input_slow+0xe44/0x1d70 [ 3995.844241][ T75] ip_route_input_noref+0xe6/0x230 [ 3995.844241][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 3995.844241][ T75] ip_rcv+0x16b/0x470 [ 3995.844241][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 3995.844241][ T75] process_backlog+0x103/0x670 [ 3995.844241][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 3995.844241][ T75] net_rx_action+0x49f/0xc00 [ 3995.844241][ T75] __do_softirq+0x1f8/0x5df [ 3995.844241][ T75] [ 4006.091496][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4006.091953][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4006.091953][ T75] dst_init+0x84/0x4a0 [ 4006.091953][ T75] dst_alloc+0x97/0x150 [ 4006.091953][ T75] rt_dst_alloc+0x31/0x3b0 [ 4006.091953][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4006.091953][ T75] ip_route_input_noref+0xe6/0x230 [ 4006.091953][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4006.091953][ T75] ip_rcv+0x16b/0x470 [ 4006.091953][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4006.091953][ T75] process_backlog+0x103/0x670 [ 4006.091953][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4006.091953][ T75] net_rx_action+0x49f/0xc00 [ 4006.091953][ T75] __do_softirq+0x1f8/0x5df [ 4006.091953][ T75] [ 4016.339446][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4016.340039][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4016.340039][ T75] dst_init+0x84/0x4a0 [ 4016.340039][ T75] dst_alloc+0x97/0x150 [ 4016.340039][ T75] rt_dst_alloc+0x31/0x3b0 [ 4016.340039][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4016.340039][ T75] ip_route_input_noref+0xe6/0x230 [ 4016.340039][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4016.340039][ T75] ip_rcv+0x16b/0x470 [ 4016.340039][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4016.340039][ T75] process_backlog+0x103/0x670 [ 4016.340039][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4016.340039][ T75] net_rx_action+0x49f/0xc00 [ 4016.340039][ T75] __do_softirq+0x1f8/0x5df [ 4016.340039][ T75] [ 4026.587468][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4026.587981][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4026.587981][ T75] dst_init+0x84/0x4a0 [ 4026.587981][ T75] dst_alloc+0x97/0x150 [ 4026.587981][ T75] rt_dst_alloc+0x31/0x3b0 [ 4026.587981][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4026.587981][ T75] ip_route_input_noref+0xe6/0x230 [ 4026.587981][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4026.587981][ T75] ip_rcv+0x16b/0x470 [ 4026.587981][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4026.587981][ T75] process_backlog+0x103/0x670 [ 4026.587981][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4026.587981][ T75] net_rx_action+0x49f/0xc00 [ 4026.587981][ T75] __do_softirq+0x1f8/0x5df [ 4026.587981][ T75] [ 4036.835507][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4036.836064][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4036.836064][ T75] dst_init+0x84/0x4a0 [ 4036.836064][ T75] dst_alloc+0x97/0x150 [ 4036.836064][ T75] rt_dst_alloc+0x31/0x3b0 [ 4036.836064][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4036.836064][ T75] ip_route_input_noref+0xe6/0x230 [ 4036.836064][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4036.836064][ T75] ip_rcv+0x16b/0x470 [ 4036.836064][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4036.836064][ T75] process_backlog+0x103/0x670 [ 4036.836064][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4036.836064][ T75] net_rx_action+0x49f/0xc00 [ 4036.836064][ T75] __do_softirq+0x1f8/0x5df [ 4036.836064][ T75] [ 4047.083471][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4047.083958][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4047.083958][ T75] dst_init+0x84/0x4a0 [ 4047.083958][ T75] dst_alloc+0x97/0x150 [ 4047.083958][ T75] rt_dst_alloc+0x31/0x3b0 [ 4047.083958][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4047.083958][ T75] ip_route_input_noref+0xe6/0x230 [ 4047.083958][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4047.083958][ T75] ip_rcv+0x16b/0x470 [ 4047.083958][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4047.083958][ T75] process_backlog+0x103/0x670 [ 4047.083958][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4047.083958][ T75] net_rx_action+0x49f/0xc00 [ 4047.083958][ T75] __do_softirq+0x1f8/0x5df [ 4047.083958][ T75] [ 4057.331441][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4057.331924][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4057.331924][ T75] dst_init+0x84/0x4a0 [ 4057.331924][ T75] dst_alloc+0x97/0x150 [ 4057.331924][ T75] rt_dst_alloc+0x31/0x3b0 [ 4057.331924][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4057.331924][ T75] ip_route_input_noref+0xe6/0x230 [ 4057.331924][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4057.331924][ T75] ip_rcv+0x16b/0x470 [ 4057.331924][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4057.331924][ T75] process_backlog+0x103/0x670 [ 4057.331924][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4057.331924][ T75] net_rx_action+0x49f/0xc00 [ 4057.331924][ T75] __do_softirq+0x1f8/0x5df [ 4057.331924][ T75] [ 4067.579522][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4067.580010][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4067.580010][ T75] dst_init+0x84/0x4a0 [ 4067.580010][ T75] dst_alloc+0x97/0x150 [ 4067.580010][ T75] rt_dst_alloc+0x31/0x3b0 [ 4067.580010][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4067.580010][ T75] ip_route_input_noref+0xe6/0x230 [ 4067.580010][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4067.580010][ T75] ip_rcv+0x16b/0x470 [ 4067.580010][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4067.580010][ T75] process_backlog+0x103/0x670 [ 4067.580010][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4067.580010][ T75] net_rx_action+0x49f/0xc00 [ 4067.580010][ T75] __do_softirq+0x1f8/0x5df [ 4067.580010][ T75] [ 4077.827446][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4077.827836][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4077.827836][ T75] dst_init+0x84/0x4a0 [ 4077.827836][ T75] dst_alloc+0x97/0x150 [ 4077.827836][ T75] rt_dst_alloc+0x31/0x3b0 [ 4077.827836][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4077.827836][ T75] ip_route_input_noref+0xe6/0x230 [ 4077.827836][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4077.827836][ T75] ip_rcv+0x16b/0x470 [ 4077.827836][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4077.827836][ T75] process_backlog+0x103/0x670 [ 4077.827836][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4077.827836][ T75] net_rx_action+0x49f/0xc00 [ 4077.827836][ T75] __do_softirq+0x1f8/0x5df [ 4077.827836][ T75] [ 4088.075647][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4088.076159][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4088.076159][ T75] dst_init+0x84/0x4a0 [ 4088.076159][ T75] dst_alloc+0x97/0x150 [ 4088.076159][ T75] rt_dst_alloc+0x31/0x3b0 [ 4088.076159][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4088.076159][ T75] ip_route_input_noref+0xe6/0x230 [ 4088.076159][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4088.076159][ T75] ip_rcv+0x16b/0x470 [ 4088.076159][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4088.076159][ T75] process_backlog+0x103/0x670 [ 4088.076159][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4088.076159][ T75] net_rx_action+0x49f/0xc00 [ 4088.076159][ T75] __do_softirq+0x1f8/0x5df [ 4088.076159][ T75] [ 4098.323455][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4098.323975][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4098.323975][ T75] dst_init+0x84/0x4a0 [ 4098.323975][ T75] dst_alloc+0x97/0x150 [ 4098.323975][ T75] rt_dst_alloc+0x31/0x3b0 [ 4098.323975][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4098.323975][ T75] ip_route_input_noref+0xe6/0x230 [ 4098.323975][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4098.323975][ T75] ip_rcv+0x16b/0x470 [ 4098.323975][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4098.323975][ T75] process_backlog+0x103/0x670 [ 4098.323975][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4098.323975][ T75] net_rx_action+0x49f/0xc00 [ 4098.323975][ T75] __do_softirq+0x1f8/0x5df [ 4098.323975][ T75] [ 4108.571411][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4108.571853][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4108.571853][ T75] dst_init+0x84/0x4a0 [ 4108.571853][ T75] dst_alloc+0x97/0x150 [ 4108.571853][ T75] rt_dst_alloc+0x31/0x3b0 [ 4108.571853][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4108.571853][ T75] ip_route_input_noref+0xe6/0x230 [ 4108.571853][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4108.571853][ T75] ip_rcv+0x16b/0x470 [ 4108.571853][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4108.571853][ T75] process_backlog+0x103/0x670 [ 4108.571853][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4108.571853][ T75] net_rx_action+0x49f/0xc00 [ 4108.571853][ T75] __do_softirq+0x1f8/0x5df [ 4108.571853][ T75] [ 4118.819483][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4118.819924][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4118.819924][ T75] dst_init+0x84/0x4a0 [ 4118.819924][ T75] dst_alloc+0x97/0x150 [ 4118.819924][ T75] rt_dst_alloc+0x31/0x3b0 [ 4118.819924][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4118.819924][ T75] ip_route_input_noref+0xe6/0x230 [ 4118.819924][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4118.819924][ T75] ip_rcv+0x16b/0x470 [ 4118.819924][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4118.819924][ T75] process_backlog+0x103/0x670 [ 4118.819924][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4118.819924][ T75] net_rx_action+0x49f/0xc00 [ 4118.819924][ T75] __do_softirq+0x1f8/0x5df [ 4118.819924][ T75] [ 4129.067553][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4129.068244][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4129.068244][ T75] dst_init+0x84/0x4a0 [ 4129.068244][ T75] dst_alloc+0x97/0x150 [ 4129.068244][ T75] rt_dst_alloc+0x31/0x3b0 [ 4129.068244][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4129.068244][ T75] ip_route_input_noref+0xe6/0x230 [ 4129.068244][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4129.068244][ T75] ip_rcv+0x16b/0x470 [ 4129.068244][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4129.068244][ T75] process_backlog+0x103/0x670 [ 4129.068244][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4129.068244][ T75] net_rx_action+0x49f/0xc00 [ 4129.068244][ T75] __do_softirq+0x1f8/0x5df [ 4129.068244][ T75] [ 4139.315483][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4139.315921][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4139.315921][ T75] dst_init+0x84/0x4a0 [ 4139.315921][ T75] dst_alloc+0x97/0x150 [ 4139.315921][ T75] rt_dst_alloc+0x31/0x3b0 [ 4139.315921][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4139.315921][ T75] ip_route_input_noref+0xe6/0x230 [ 4139.315921][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4139.315921][ T75] ip_rcv+0x16b/0x470 [ 4139.315921][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4139.315921][ T75] process_backlog+0x103/0x670 [ 4139.315921][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4139.315921][ T75] net_rx_action+0x49f/0xc00 [ 4139.315921][ T75] __do_softirq+0x1f8/0x5df [ 4139.315921][ T75] [ 4149.563516][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4149.563912][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4149.563912][ T75] dst_init+0x84/0x4a0 [ 4149.563912][ T75] dst_alloc+0x97/0x150 [ 4149.563912][ T75] rt_dst_alloc+0x31/0x3b0 [ 4149.563912][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4149.563912][ T75] ip_route_input_noref+0xe6/0x230 [ 4149.563912][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4149.563912][ T75] ip_rcv+0x16b/0x470 [ 4149.563912][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4149.563912][ T75] process_backlog+0x103/0x670 [ 4149.563912][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4149.563912][ T75] net_rx_action+0x49f/0xc00 [ 4149.563912][ T75] __do_softirq+0x1f8/0x5df [ 4149.563912][ T75] [ 4159.811424][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4159.811829][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4159.811829][ T75] dst_init+0x84/0x4a0 [ 4159.811829][ T75] dst_alloc+0x97/0x150 [ 4159.811829][ T75] rt_dst_alloc+0x31/0x3b0 [ 4159.811829][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4159.811829][ T75] ip_route_input_noref+0xe6/0x230 [ 4159.811829][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4159.811829][ T75] ip_rcv+0x16b/0x470 [ 4159.811829][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4159.811829][ T75] process_backlog+0x103/0x670 [ 4159.811829][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4159.811829][ T75] net_rx_action+0x49f/0xc00 [ 4159.811829][ T75] __do_softirq+0x1f8/0x5df [ 4159.811829][ T75] [ 4170.059517][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4170.060049][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4170.060049][ T75] dst_init+0x84/0x4a0 [ 4170.060049][ T75] dst_alloc+0x97/0x150 [ 4170.060049][ T75] rt_dst_alloc+0x31/0x3b0 [ 4170.060049][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4170.060049][ T75] ip_route_input_noref+0xe6/0x230 [ 4170.060049][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4170.060049][ T75] ip_rcv+0x16b/0x470 [ 4170.060049][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4170.060049][ T75] process_backlog+0x103/0x670 [ 4170.060049][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4170.060049][ T75] net_rx_action+0x49f/0xc00 [ 4170.060049][ T75] __do_softirq+0x1f8/0x5df [ 4170.060049][ T75] [ 4180.307607][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4180.308307][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4180.308307][ T75] dst_init+0x84/0x4a0 [ 4180.308307][ T75] dst_alloc+0x97/0x150 [ 4180.308307][ T75] rt_dst_alloc+0x31/0x3b0 [ 4180.308307][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4180.308307][ T75] ip_route_input_noref+0xe6/0x230 [ 4180.308307][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4180.308307][ T75] ip_rcv+0x16b/0x470 [ 4180.308307][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4180.308307][ T75] process_backlog+0x103/0x670 [ 4180.308307][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4180.308307][ T75] net_rx_action+0x49f/0xc00 [ 4180.308307][ T75] __do_softirq+0x1f8/0x5df [ 4180.308307][ T75] [ 4190.555457][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4190.556058][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4190.556058][ T75] dst_init+0x84/0x4a0 [ 4190.556058][ T75] dst_alloc+0x97/0x150 [ 4190.556058][ T75] rt_dst_alloc+0x31/0x3b0 [ 4190.556058][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4190.556058][ T75] ip_route_input_noref+0xe6/0x230 [ 4190.556058][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4190.556058][ T75] ip_rcv+0x16b/0x470 [ 4190.556058][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4190.556058][ T75] process_backlog+0x103/0x670 [ 4190.556058][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4190.556058][ T75] net_rx_action+0x49f/0xc00 [ 4190.556058][ T75] __do_softirq+0x1f8/0x5df [ 4190.556058][ T75] [ 4200.803543][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4200.803991][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4200.803991][ T75] dst_init+0x84/0x4a0 [ 4200.803991][ T75] dst_alloc+0x97/0x150 [ 4200.803991][ T75] rt_dst_alloc+0x31/0x3b0 [ 4200.803991][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4200.803991][ T75] ip_route_input_noref+0xe6/0x230 [ 4200.803991][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4200.803991][ T75] ip_rcv+0x16b/0x470 [ 4200.803991][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4200.803991][ T75] process_backlog+0x103/0x670 [ 4200.803991][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4200.803991][ T75] net_rx_action+0x49f/0xc00 [ 4200.803991][ T75] __do_softirq+0x1f8/0x5df [ 4200.803991][ T75] [ 4211.051456][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4211.051922][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4211.051922][ T75] dst_init+0x84/0x4a0 [ 4211.051922][ T75] dst_alloc+0x97/0x150 [ 4211.051922][ T75] rt_dst_alloc+0x31/0x3b0 [ 4211.051922][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4211.051922][ T75] ip_route_input_noref+0xe6/0x230 [ 4211.051922][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4211.051922][ T75] ip_rcv+0x16b/0x470 [ 4211.051922][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4211.051922][ T75] process_backlog+0x103/0x670 [ 4211.051922][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4211.051922][ T75] net_rx_action+0x49f/0xc00 [ 4211.051922][ T75] __do_softirq+0x1f8/0x5df [ 4211.051922][ T75] [ 4221.299413][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4221.299808][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4221.299808][ T75] dst_init+0x84/0x4a0 [ 4221.299808][ T75] dst_alloc+0x97/0x150 [ 4221.299808][ T75] rt_dst_alloc+0x31/0x3b0 [ 4221.299808][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4221.299808][ T75] ip_route_input_noref+0xe6/0x230 [ 4221.299808][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4221.299808][ T75] ip_rcv+0x16b/0x470 [ 4221.299808][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4221.299808][ T75] process_backlog+0x103/0x670 [ 4221.299808][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4221.299808][ T75] net_rx_action+0x49f/0xc00 [ 4221.299808][ T75] __do_softirq+0x1f8/0x5df [ 4221.299808][ T75] [ 4231.547472][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4231.547966][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4231.547966][ T75] dst_init+0x84/0x4a0 [ 4231.547966][ T75] dst_alloc+0x97/0x150 [ 4231.547966][ T75] rt_dst_alloc+0x31/0x3b0 [ 4231.547966][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4231.547966][ T75] ip_route_input_noref+0xe6/0x230 [ 4231.547966][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4231.547966][ T75] ip_rcv+0x16b/0x470 [ 4231.547966][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4231.547966][ T75] process_backlog+0x103/0x670 [ 4231.547966][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4231.547966][ T75] net_rx_action+0x49f/0xc00 [ 4231.547966][ T75] __do_softirq+0x1f8/0x5df [ 4231.547966][ T75] [ 4241.795554][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4241.796131][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4241.796131][ T75] dst_init+0x84/0x4a0 [ 4241.796131][ T75] dst_alloc+0x97/0x150 [ 4241.796131][ T75] rt_dst_alloc+0x31/0x3b0 [ 4241.796131][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4241.796131][ T75] ip_route_input_noref+0xe6/0x230 [ 4241.796131][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4241.796131][ T75] ip_rcv+0x16b/0x470 [ 4241.796131][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4241.796131][ T75] process_backlog+0x103/0x670 [ 4241.796131][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4241.796131][ T75] net_rx_action+0x49f/0xc00 [ 4241.796131][ T75] __do_softirq+0x1f8/0x5df [ 4241.796131][ T75] [ 4252.043555][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4252.044055][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4252.044055][ T75] dst_init+0x84/0x4a0 [ 4252.044055][ T75] dst_alloc+0x97/0x150 [ 4252.044055][ T75] rt_dst_alloc+0x31/0x3b0 [ 4252.044055][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4252.044055][ T75] ip_route_input_noref+0xe6/0x230 [ 4252.044055][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4252.044055][ T75] ip_rcv+0x16b/0x470 [ 4252.044055][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4252.044055][ T75] process_backlog+0x103/0x670 [ 4252.044055][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4252.044055][ T75] net_rx_action+0x49f/0xc00 [ 4252.044055][ T75] __do_softirq+0x1f8/0x5df [ 4252.044055][ T75] [ 4262.291527][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4262.292038][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4262.292038][ T75] dst_init+0x84/0x4a0 [ 4262.292038][ T75] dst_alloc+0x97/0x150 [ 4262.292038][ T75] rt_dst_alloc+0x31/0x3b0 [ 4262.292038][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4262.292038][ T75] ip_route_input_noref+0xe6/0x230 [ 4262.292038][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4262.292038][ T75] ip_rcv+0x16b/0x470 [ 4262.292038][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4262.292038][ T75] process_backlog+0x103/0x670 [ 4262.292038][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4262.292038][ T75] net_rx_action+0x49f/0xc00 [ 4262.292038][ T75] __do_softirq+0x1f8/0x5df [ 4262.292038][ T75] [ 4272.539449][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4272.539948][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4272.539948][ T75] dst_init+0x84/0x4a0 [ 4272.539948][ T75] dst_alloc+0x97/0x150 [ 4272.539948][ T75] rt_dst_alloc+0x31/0x3b0 [ 4272.539948][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4272.539948][ T75] ip_route_input_noref+0xe6/0x230 [ 4272.539948][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4272.539948][ T75] ip_rcv+0x16b/0x470 [ 4272.539948][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4272.539948][ T75] process_backlog+0x103/0x670 [ 4272.539948][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4272.539948][ T75] net_rx_action+0x49f/0xc00 [ 4272.539948][ T75] __do_softirq+0x1f8/0x5df [ 4272.539948][ T75] [ 4282.787525][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4282.788146][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4282.788146][ T75] dst_init+0x84/0x4a0 [ 4282.788146][ T75] dst_alloc+0x97/0x150 [ 4282.788146][ T75] rt_dst_alloc+0x31/0x3b0 [ 4282.788146][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4282.788146][ T75] ip_route_input_noref+0xe6/0x230 [ 4282.788146][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4282.788146][ T75] ip_rcv+0x16b/0x470 [ 4282.788146][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4282.788146][ T75] process_backlog+0x103/0x670 [ 4282.788146][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4282.788146][ T75] net_rx_action+0x49f/0xc00 [ 4282.788146][ T75] __do_softirq+0x1f8/0x5df [ 4282.788146][ T75] [ 4293.035480][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4293.036290][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4293.036290][ T75] dst_init+0x84/0x4a0 [ 4293.036290][ T75] dst_alloc+0x97/0x150 [ 4293.036290][ T75] rt_dst_alloc+0x31/0x3b0 [ 4293.036290][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4293.036290][ T75] ip_route_input_noref+0xe6/0x230 [ 4293.036290][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4293.036290][ T75] ip_rcv+0x16b/0x470 [ 4293.036290][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4293.036290][ T75] process_backlog+0x103/0x670 [ 4293.036290][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4293.036290][ T75] net_rx_action+0x49f/0xc00 [ 4293.036290][ T75] __do_softirq+0x1f8/0x5df [ 4293.036290][ T75] [ 4303.291415][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4303.291874][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4303.291874][ T75] dst_init+0x84/0x4a0 [ 4303.291874][ T75] dst_alloc+0x97/0x150 [ 4303.291874][ T75] rt_dst_alloc+0x31/0x3b0 [ 4303.291874][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4303.291874][ T75] ip_route_input_noref+0xe6/0x230 [ 4303.291874][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4303.291874][ T75] ip_rcv+0x16b/0x470 [ 4303.291874][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4303.291874][ T75] process_backlog+0x103/0x670 [ 4303.291874][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4303.291874][ T75] net_rx_action+0x49f/0xc00 [ 4303.291874][ T75] __do_softirq+0x1f8/0x5df [ 4303.291874][ T75] [ 4313.539490][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4313.539941][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4313.539941][ T75] dst_init+0x84/0x4a0 [ 4313.539941][ T75] dst_alloc+0x97/0x150 [ 4313.539941][ T75] rt_dst_alloc+0x31/0x3b0 [ 4313.539941][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4313.539941][ T75] ip_route_input_noref+0xe6/0x230 [ 4313.539941][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4313.539941][ T75] ip_rcv+0x16b/0x470 [ 4313.539941][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4313.539941][ T75] process_backlog+0x103/0x670 [ 4313.539941][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4313.539941][ T75] net_rx_action+0x49f/0xc00 [ 4313.539941][ T75] __do_softirq+0x1f8/0x5df [ 4313.539941][ T75] [ 4323.787477][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4323.788110][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4323.788110][ T75] dst_init+0x84/0x4a0 [ 4323.788110][ T75] dst_alloc+0x97/0x150 [ 4323.788110][ T75] rt_dst_alloc+0x31/0x3b0 [ 4323.788110][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4323.788110][ T75] ip_route_input_noref+0xe6/0x230 [ 4323.788110][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4323.788110][ T75] ip_rcv+0x16b/0x470 [ 4323.788110][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4323.788110][ T75] process_backlog+0x103/0x670 [ 4323.788110][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4323.788110][ T75] net_rx_action+0x49f/0xc00 [ 4323.788110][ T75] __do_softirq+0x1f8/0x5df [ 4323.788110][ T75] [ 4334.035413][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4334.035807][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4334.035807][ T75] dst_init+0x84/0x4a0 [ 4334.035807][ T75] dst_alloc+0x97/0x150 [ 4334.035807][ T75] rt_dst_alloc+0x31/0x3b0 [ 4334.035807][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4334.035807][ T75] ip_route_input_noref+0xe6/0x230 [ 4334.035807][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4334.035807][ T75] ip_rcv+0x16b/0x470 [ 4334.035807][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4334.035807][ T75] process_backlog+0x103/0x670 [ 4334.035807][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4334.035807][ T75] net_rx_action+0x49f/0xc00 [ 4334.035807][ T75] __do_softirq+0x1f8/0x5df [ 4334.035807][ T75] [ 4344.283537][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4344.283915][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4344.283915][ T75] dst_init+0x84/0x4a0 [ 4344.283915][ T75] dst_alloc+0x97/0x150 [ 4344.283915][ T75] rt_dst_alloc+0x31/0x3b0 [ 4344.283915][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4344.283915][ T75] ip_route_input_noref+0xe6/0x230 [ 4344.283915][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4344.283915][ T75] ip_rcv+0x16b/0x470 [ 4344.283915][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4344.283915][ T75] process_backlog+0x103/0x670 [ 4344.283915][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4344.283915][ T75] net_rx_action+0x49f/0xc00 [ 4344.283915][ T75] __do_softirq+0x1f8/0x5df [ 4344.283915][ T75] [ 4354.531440][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4354.531809][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4354.531809][ T75] dst_init+0x84/0x4a0 [ 4354.531809][ T75] dst_alloc+0x97/0x150 [ 4354.531809][ T75] rt_dst_alloc+0x31/0x3b0 [ 4354.531809][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4354.531809][ T75] ip_route_input_noref+0xe6/0x230 [ 4354.531809][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4354.531809][ T75] ip_rcv+0x16b/0x470 [ 4354.531809][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4354.531809][ T75] process_backlog+0x103/0x670 [ 4354.531809][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4354.531809][ T75] net_rx_action+0x49f/0xc00 [ 4354.531809][ T75] __do_softirq+0x1f8/0x5df [ 4354.531809][ T75] [ 4364.779425][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4364.779882][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4364.779882][ T75] dst_init+0x84/0x4a0 [ 4364.779882][ T75] dst_alloc+0x97/0x150 [ 4364.779882][ T75] rt_dst_alloc+0x31/0x3b0 [ 4364.779882][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4364.779882][ T75] ip_route_input_noref+0xe6/0x230 [ 4364.779882][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4364.779882][ T75] ip_rcv+0x16b/0x470 [ 4364.779882][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4364.779882][ T75] process_backlog+0x103/0x670 [ 4364.779882][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4364.779882][ T75] net_rx_action+0x49f/0xc00 [ 4364.779882][ T75] __do_softirq+0x1f8/0x5df [ 4364.779882][ T75] [ 4375.027462][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4375.027936][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4375.027936][ T75] dst_init+0x84/0x4a0 [ 4375.027936][ T75] dst_alloc+0x97/0x150 [ 4375.027936][ T75] rt_dst_alloc+0x31/0x3b0 [ 4375.027936][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4375.027936][ T75] ip_route_input_noref+0xe6/0x230 [ 4375.027936][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4375.027936][ T75] ip_rcv+0x16b/0x470 [ 4375.027936][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4375.027936][ T75] process_backlog+0x103/0x670 [ 4375.027936][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4375.027936][ T75] net_rx_action+0x49f/0xc00 [ 4375.027936][ T75] __do_softirq+0x1f8/0x5df [ 4375.027936][ T75] [ 4385.275413][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4385.275774][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4385.275774][ T75] dst_init+0x84/0x4a0 [ 4385.275774][ T75] dst_alloc+0x97/0x150 [ 4385.275774][ T75] rt_dst_alloc+0x31/0x3b0 [ 4385.275774][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4385.275774][ T75] ip_route_input_noref+0xe6/0x230 [ 4385.275774][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4385.275774][ T75] ip_rcv+0x16b/0x470 [ 4385.275774][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4385.275774][ T75] process_backlog+0x103/0x670 [ 4385.275774][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4385.275774][ T75] net_rx_action+0x49f/0xc00 [ 4385.275774][ T75] __do_softirq+0x1f8/0x5df [ 4385.275774][ T75] [ 4395.523465][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4395.523939][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4395.523939][ T75] dst_init+0x84/0x4a0 [ 4395.523939][ T75] dst_alloc+0x97/0x150 [ 4395.523939][ T75] rt_dst_alloc+0x31/0x3b0 [ 4395.523939][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4395.523939][ T75] ip_route_input_noref+0xe6/0x230 [ 4395.523939][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4395.523939][ T75] ip_rcv+0x16b/0x470 [ 4395.523939][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4395.523939][ T75] process_backlog+0x103/0x670 [ 4395.523939][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4395.523939][ T75] net_rx_action+0x49f/0xc00 [ 4395.523939][ T75] __do_softirq+0x1f8/0x5df [ 4395.523939][ T75] [ 4405.771463][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4405.771926][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4405.771926][ T75] dst_init+0x84/0x4a0 [ 4405.771926][ T75] dst_alloc+0x97/0x150 [ 4405.771926][ T75] rt_dst_alloc+0x31/0x3b0 [ 4405.771926][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4405.771926][ T75] ip_route_input_noref+0xe6/0x230 [ 4405.771926][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4405.771926][ T75] ip_rcv+0x16b/0x470 [ 4405.771926][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4405.771926][ T75] process_backlog+0x103/0x670 [ 4405.771926][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4405.771926][ T75] net_rx_action+0x49f/0xc00 [ 4405.771926][ T75] __do_softirq+0x1f8/0x5df [ 4405.771926][ T75] [ 4416.019457][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4416.020003][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4416.020003][ T75] dst_init+0x84/0x4a0 [ 4416.020003][ T75] dst_alloc+0x97/0x150 [ 4416.020003][ T75] rt_dst_alloc+0x31/0x3b0 [ 4416.020003][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4416.020003][ T75] ip_route_input_noref+0xe6/0x230 [ 4416.020003][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4416.020003][ T75] ip_rcv+0x16b/0x470 [ 4416.020003][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4416.020003][ T75] process_backlog+0x103/0x670 [ 4416.020003][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4416.020003][ T75] net_rx_action+0x49f/0xc00 [ 4416.020003][ T75] __do_softirq+0x1f8/0x5df [ 4416.020003][ T75] [ 4426.267504][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4426.267950][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4426.267950][ T75] dst_init+0x84/0x4a0 [ 4426.267950][ T75] dst_alloc+0x97/0x150 [ 4426.267950][ T75] rt_dst_alloc+0x31/0x3b0 [ 4426.267950][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4426.267950][ T75] ip_route_input_noref+0xe6/0x230 [ 4426.267950][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4426.267950][ T75] ip_rcv+0x16b/0x470 [ 4426.267950][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4426.267950][ T75] process_backlog+0x103/0x670 [ 4426.267950][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4426.267950][ T75] net_rx_action+0x49f/0xc00 [ 4426.267950][ T75] __do_softirq+0x1f8/0x5df [ 4426.267950][ T75] [ 4436.515408][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4436.515929][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4436.515929][ T75] dst_init+0x84/0x4a0 [ 4436.515929][ T75] dst_alloc+0x97/0x150 [ 4436.515929][ T75] rt_dst_alloc+0x31/0x3b0 [ 4436.515929][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4436.515929][ T75] ip_route_input_noref+0xe6/0x230 [ 4436.515929][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4436.515929][ T75] ip_rcv+0x16b/0x470 [ 4436.515929][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4436.515929][ T75] process_backlog+0x103/0x670 [ 4436.515929][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4436.515929][ T75] net_rx_action+0x49f/0xc00 [ 4436.515929][ T75] __do_softirq+0x1f8/0x5df [ 4436.515929][ T75] [ 4446.763424][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4446.763785][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4446.763785][ T75] dst_init+0x84/0x4a0 [ 4446.763785][ T75] dst_alloc+0x97/0x150 [ 4446.763785][ T75] rt_dst_alloc+0x31/0x3b0 [ 4446.763785][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4446.763785][ T75] ip_route_input_noref+0xe6/0x230 [ 4446.763785][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4446.763785][ T75] ip_rcv+0x16b/0x470 [ 4446.763785][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4446.763785][ T75] process_backlog+0x103/0x670 [ 4446.763785][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4446.763785][ T75] net_rx_action+0x49f/0xc00 [ 4446.763785][ T75] __do_softirq+0x1f8/0x5df [ 4446.763785][ T75] [ 4457.011431][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4457.011851][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4457.011851][ T75] dst_init+0x84/0x4a0 [ 4457.011851][ T75] dst_alloc+0x97/0x150 [ 4457.011851][ T75] rt_dst_alloc+0x31/0x3b0 [ 4457.011851][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4457.011851][ T75] ip_route_input_noref+0xe6/0x230 [ 4457.011851][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4457.011851][ T75] ip_rcv+0x16b/0x470 [ 4457.011851][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4457.011851][ T75] process_backlog+0x103/0x670 [ 4457.011851][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4457.011851][ T75] net_rx_action+0x49f/0xc00 [ 4457.011851][ T75] __do_softirq+0x1f8/0x5df [ 4457.011851][ T75] [ 4467.259406][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4467.259917][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4467.259917][ T75] dst_init+0x84/0x4a0 [ 4467.259917][ T75] dst_alloc+0x97/0x150 [ 4467.259917][ T75] rt_dst_alloc+0x31/0x3b0 [ 4467.259917][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4467.259917][ T75] ip_route_input_noref+0xe6/0x230 [ 4467.259917][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4467.259917][ T75] ip_rcv+0x16b/0x470 [ 4467.259917][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4467.259917][ T75] process_backlog+0x103/0x670 [ 4467.259917][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4467.259917][ T75] net_rx_action+0x49f/0xc00 [ 4467.259917][ T75] __do_softirq+0x1f8/0x5df [ 4467.259917][ T75] [ 4477.507388][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4477.507789][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4477.507789][ T75] dst_init+0x84/0x4a0 [ 4477.507789][ T75] dst_alloc+0x97/0x150 [ 4477.507789][ T75] rt_dst_alloc+0x31/0x3b0 [ 4477.507789][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4477.507789][ T75] ip_route_input_noref+0xe6/0x230 [ 4477.507789][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4477.507789][ T75] ip_rcv+0x16b/0x470 [ 4477.507789][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4477.507789][ T75] process_backlog+0x103/0x670 [ 4477.507789][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4477.507789][ T75] net_rx_action+0x49f/0xc00 [ 4477.507789][ T75] __do_softirq+0x1f8/0x5df [ 4477.507789][ T75] [ 4487.755495][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4487.755999][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4487.755999][ T75] dst_init+0x84/0x4a0 [ 4487.755999][ T75] dst_alloc+0x97/0x150 [ 4487.755999][ T75] rt_dst_alloc+0x31/0x3b0 [ 4487.755999][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4487.755999][ T75] ip_route_input_noref+0xe6/0x230 [ 4487.755999][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4487.755999][ T75] ip_rcv+0x16b/0x470 [ 4487.755999][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4487.755999][ T75] process_backlog+0x103/0x670 [ 4487.755999][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4487.755999][ T75] net_rx_action+0x49f/0xc00 [ 4487.755999][ T75] __do_softirq+0x1f8/0x5df [ 4487.755999][ T75] [ 4498.003390][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4498.003959][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4498.003959][ T75] dst_init+0x84/0x4a0 [ 4498.003959][ T75] dst_alloc+0x97/0x150 [ 4498.003959][ T75] rt_dst_alloc+0x31/0x3b0 [ 4498.003959][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4498.003959][ T75] ip_route_input_noref+0xe6/0x230 [ 4498.003959][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4498.003959][ T75] ip_rcv+0x16b/0x470 [ 4498.003959][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4498.003959][ T75] process_backlog+0x103/0x670 [ 4498.003959][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4498.003959][ T75] net_rx_action+0x49f/0xc00 [ 4498.003959][ T75] __do_softirq+0x1f8/0x5df [ 4498.003959][ T75] [ 4508.251468][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4508.251905][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4508.251905][ T75] dst_init+0x84/0x4a0 [ 4508.251905][ T75] dst_alloc+0x97/0x150 [ 4508.251905][ T75] rt_dst_alloc+0x31/0x3b0 [ 4508.251905][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4508.251905][ T75] ip_route_input_noref+0xe6/0x230 [ 4508.251905][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4508.251905][ T75] ip_rcv+0x16b/0x470 [ 4508.251905][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4508.251905][ T75] process_backlog+0x103/0x670 [ 4508.251905][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4508.251905][ T75] net_rx_action+0x49f/0xc00 [ 4508.251905][ T75] __do_softirq+0x1f8/0x5df [ 4508.251905][ T75] [ 4518.499395][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4518.499769][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4518.499769][ T75] dst_init+0x84/0x4a0 [ 4518.499769][ T75] dst_alloc+0x97/0x150 [ 4518.499769][ T75] rt_dst_alloc+0x31/0x3b0 [ 4518.499769][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4518.499769][ T75] ip_route_input_noref+0xe6/0x230 [ 4518.499769][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4518.499769][ T75] ip_rcv+0x16b/0x470 [ 4518.499769][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4518.499769][ T75] process_backlog+0x103/0x670 [ 4518.499769][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4518.499769][ T75] net_rx_action+0x49f/0xc00 [ 4518.499769][ T75] __do_softirq+0x1f8/0x5df [ 4518.499769][ T75] [ 4528.747396][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4528.747809][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4528.747809][ T75] dst_init+0x84/0x4a0 [ 4528.747809][ T75] dst_alloc+0x97/0x150 [ 4528.747809][ T75] rt_dst_alloc+0x31/0x3b0 [ 4528.747809][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4528.747809][ T75] ip_route_input_noref+0xe6/0x230 [ 4528.747809][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4528.747809][ T75] ip_rcv+0x16b/0x470 [ 4528.747809][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4528.747809][ T75] process_backlog+0x103/0x670 [ 4528.747809][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4528.747809][ T75] net_rx_action+0x49f/0xc00 [ 4528.747809][ T75] __do_softirq+0x1f8/0x5df [ 4528.747809][ T75] [ 4538.995468][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4538.995873][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4538.995873][ T75] dst_init+0x84/0x4a0 [ 4538.995873][ T75] dst_alloc+0x97/0x150 [ 4538.995873][ T75] rt_dst_alloc+0x31/0x3b0 [ 4538.995873][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4538.995873][ T75] ip_route_input_noref+0xe6/0x230 [ 4538.995873][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4538.995873][ T75] ip_rcv+0x16b/0x470 [ 4538.995873][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4538.995873][ T75] process_backlog+0x103/0x670 [ 4538.995873][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4538.995873][ T75] net_rx_action+0x49f/0xc00 [ 4538.995873][ T75] __do_softirq+0x1f8/0x5df [ 4538.995873][ T75] [ 4549.243590][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4549.243993][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4549.243993][ T75] dst_init+0x84/0x4a0 [ 4549.243993][ T75] dst_alloc+0x97/0x150 [ 4549.243993][ T75] rt_dst_alloc+0x31/0x3b0 [ 4549.243993][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4549.243993][ T75] ip_route_input_noref+0xe6/0x230 [ 4549.243993][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4549.243993][ T75] ip_rcv+0x16b/0x470 [ 4549.243993][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4549.243993][ T75] process_backlog+0x103/0x670 [ 4549.243993][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4549.243993][ T75] net_rx_action+0x49f/0xc00 [ 4549.243993][ T75] __do_softirq+0x1f8/0x5df [ 4549.243993][ T75] [ 4559.491402][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4559.491999][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4559.491999][ T75] dst_init+0x84/0x4a0 [ 4559.491999][ T75] dst_alloc+0x97/0x150 [ 4559.491999][ T75] rt_dst_alloc+0x31/0x3b0 [ 4559.491999][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4559.491999][ T75] ip_route_input_noref+0xe6/0x230 [ 4559.491999][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4559.491999][ T75] ip_rcv+0x16b/0x470 [ 4559.491999][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4559.491999][ T75] process_backlog+0x103/0x670 [ 4559.491999][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4559.491999][ T75] net_rx_action+0x49f/0xc00 [ 4559.491999][ T75] __do_softirq+0x1f8/0x5df [ 4559.491999][ T75] [ 4569.739474][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4569.739887][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4569.739887][ T75] dst_init+0x84/0x4a0 [ 4569.739887][ T75] dst_alloc+0x97/0x150 [ 4569.739887][ T75] rt_dst_alloc+0x31/0x3b0 [ 4569.739887][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4569.739887][ T75] ip_route_input_noref+0xe6/0x230 [ 4569.739887][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4569.739887][ T75] ip_rcv+0x16b/0x470 [ 4569.739887][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4569.739887][ T75] process_backlog+0x103/0x670 [ 4569.739887][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4569.739887][ T75] net_rx_action+0x49f/0xc00 [ 4569.739887][ T75] __do_softirq+0x1f8/0x5df [ 4569.739887][ T75] [ 4579.987383][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4579.987741][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4579.987741][ T75] dst_init+0x84/0x4a0 [ 4579.987741][ T75] dst_alloc+0x97/0x150 [ 4579.987741][ T75] rt_dst_alloc+0x31/0x3b0 [ 4579.987741][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4579.987741][ T75] ip_route_input_noref+0xe6/0x230 [ 4579.987741][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4579.987741][ T75] ip_rcv+0x16b/0x470 [ 4579.987741][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4579.987741][ T75] process_backlog+0x103/0x670 [ 4579.987741][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4579.987741][ T75] net_rx_action+0x49f/0xc00 [ 4579.987741][ T75] __do_softirq+0x1f8/0x5df [ 4579.987741][ T75] [ 4590.235444][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4590.235909][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4590.235909][ T75] dst_init+0x84/0x4a0 [ 4590.235909][ T75] dst_alloc+0x97/0x150 [ 4590.235909][ T75] rt_dst_alloc+0x31/0x3b0 [ 4590.235909][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4590.235909][ T75] ip_route_input_noref+0xe6/0x230 [ 4590.235909][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4590.235909][ T75] ip_rcv+0x16b/0x470 [ 4590.235909][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4590.235909][ T75] process_backlog+0x103/0x670 [ 4590.235909][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4590.235909][ T75] net_rx_action+0x49f/0xc00 [ 4590.235909][ T75] __do_softirq+0x1f8/0x5df [ 4590.235909][ T75] [ 4600.483357][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4600.483792][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4600.483792][ T75] dst_init+0x84/0x4a0 [ 4600.483792][ T75] dst_alloc+0x97/0x150 [ 4600.483792][ T75] rt_dst_alloc+0x31/0x3b0 [ 4600.483792][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4600.483792][ T75] ip_route_input_noref+0xe6/0x230 [ 4600.483792][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4600.483792][ T75] ip_rcv+0x16b/0x470 [ 4600.483792][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4600.483792][ T75] process_backlog+0x103/0x670 [ 4600.483792][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4600.483792][ T75] net_rx_action+0x49f/0xc00 [ 4600.483792][ T75] __do_softirq+0x1f8/0x5df [ 4600.483792][ T75] [ 4610.731465][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4610.731897][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4610.731897][ T75] dst_init+0x84/0x4a0 [ 4610.731897][ T75] dst_alloc+0x97/0x150 [ 4610.731897][ T75] rt_dst_alloc+0x31/0x3b0 [ 4610.731897][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4610.731897][ T75] ip_route_input_noref+0xe6/0x230 [ 4610.731897][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4610.731897][ T75] ip_rcv+0x16b/0x470 [ 4610.731897][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4610.731897][ T75] process_backlog+0x103/0x670 [ 4610.731897][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4610.731897][ T75] net_rx_action+0x49f/0xc00 [ 4610.731897][ T75] __do_softirq+0x1f8/0x5df [ 4610.731897][ T75] [ 4620.979426][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4620.979794][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4620.979794][ T75] dst_init+0x84/0x4a0 [ 4620.979794][ T75] dst_alloc+0x97/0x150 [ 4620.979794][ T75] rt_dst_alloc+0x31/0x3b0 [ 4620.979794][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4620.979794][ T75] ip_route_input_noref+0xe6/0x230 [ 4620.979794][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4620.979794][ T75] ip_rcv+0x16b/0x470 [ 4620.979794][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4620.979794][ T75] process_backlog+0x103/0x670 [ 4620.979794][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4620.979794][ T75] net_rx_action+0x49f/0xc00 [ 4620.979794][ T75] __do_softirq+0x1f8/0x5df [ 4620.979794][ T75] [ 4631.227463][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4631.227879][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4631.227879][ T75] dst_init+0x84/0x4a0 [ 4631.227879][ T75] dst_alloc+0x97/0x150 [ 4631.227879][ T75] rt_dst_alloc+0x31/0x3b0 [ 4631.227879][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4631.227879][ T75] ip_route_input_noref+0xe6/0x230 [ 4631.227879][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4631.227879][ T75] ip_rcv+0x16b/0x470 [ 4631.227879][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4631.227879][ T75] process_backlog+0x103/0x670 [ 4631.227879][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4631.227879][ T75] net_rx_action+0x49f/0xc00 [ 4631.227879][ T75] __do_softirq+0x1f8/0x5df [ 4631.227879][ T75] [ 4641.475436][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4641.475888][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4641.475888][ T75] dst_init+0x84/0x4a0 [ 4641.475888][ T75] dst_alloc+0x97/0x150 [ 4641.475888][ T75] rt_dst_alloc+0x31/0x3b0 [ 4641.475888][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4641.475888][ T75] ip_route_input_noref+0xe6/0x230 [ 4641.475888][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4641.475888][ T75] ip_rcv+0x16b/0x470 [ 4641.475888][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4641.475888][ T75] process_backlog+0x103/0x670 [ 4641.475888][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4641.475888][ T75] net_rx_action+0x49f/0xc00 [ 4641.475888][ T75] __do_softirq+0x1f8/0x5df [ 4641.475888][ T75] [ 4651.723429][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4651.723958][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4651.723958][ T75] dst_init+0x84/0x4a0 [ 4651.723958][ T75] dst_alloc+0x97/0x150 [ 4651.723958][ T75] rt_dst_alloc+0x31/0x3b0 [ 4651.723958][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4651.723958][ T75] ip_route_input_noref+0xe6/0x230 [ 4651.723958][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4651.723958][ T75] ip_rcv+0x16b/0x470 [ 4651.723958][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4651.723958][ T75] process_backlog+0x103/0x670 [ 4651.723958][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4651.723958][ T75] net_rx_action+0x49f/0xc00 [ 4651.723958][ T75] __do_softirq+0x1f8/0x5df [ 4651.723958][ T75] [ 4661.971464][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4661.972031][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4661.972031][ T75] dst_init+0x84/0x4a0 [ 4661.972031][ T75] dst_alloc+0x97/0x150 [ 4661.972031][ T75] rt_dst_alloc+0x31/0x3b0 [ 4661.972031][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4661.972031][ T75] ip_route_input_noref+0xe6/0x230 [ 4661.972031][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4661.972031][ T75] ip_rcv+0x16b/0x470 [ 4661.972031][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4661.972031][ T75] process_backlog+0x103/0x670 [ 4661.972031][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4661.972031][ T75] net_rx_action+0x49f/0xc00 [ 4661.972031][ T75] __do_softirq+0x1f8/0x5df [ 4661.972031][ T75] [ 4672.219437][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4672.219852][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4672.219852][ T75] dst_init+0x84/0x4a0 [ 4672.219852][ T75] dst_alloc+0x97/0x150 [ 4672.219852][ T75] rt_dst_alloc+0x31/0x3b0 [ 4672.219852][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4672.219852][ T75] ip_route_input_noref+0xe6/0x230 [ 4672.219852][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4672.219852][ T75] ip_rcv+0x16b/0x470 [ 4672.219852][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4672.219852][ T75] process_backlog+0x103/0x670 [ 4672.219852][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4672.219852][ T75] net_rx_action+0x49f/0xc00 [ 4672.219852][ T75] __do_softirq+0x1f8/0x5df [ 4672.219852][ T75] [ 4682.467468][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4682.467908][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4682.467908][ T75] dst_init+0x84/0x4a0 [ 4682.467908][ T75] dst_alloc+0x97/0x150 [ 4682.467908][ T75] rt_dst_alloc+0x31/0x3b0 [ 4682.467908][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4682.467908][ T75] ip_route_input_noref+0xe6/0x230 [ 4682.467908][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4682.467908][ T75] ip_rcv+0x16b/0x470 [ 4682.467908][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4682.467908][ T75] process_backlog+0x103/0x670 [ 4682.467908][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4682.467908][ T75] net_rx_action+0x49f/0xc00 [ 4682.467908][ T75] __do_softirq+0x1f8/0x5df [ 4682.467908][ T75] [ 4692.715420][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4692.715872][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4692.715872][ T75] dst_init+0x84/0x4a0 [ 4692.715872][ T75] dst_alloc+0x97/0x150 [ 4692.715872][ T75] rt_dst_alloc+0x31/0x3b0 [ 4692.715872][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4692.715872][ T75] ip_route_input_noref+0xe6/0x230 [ 4692.715872][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4692.715872][ T75] ip_rcv+0x16b/0x470 [ 4692.715872][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4692.715872][ T75] process_backlog+0x103/0x670 [ 4692.715872][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4692.715872][ T75] net_rx_action+0x49f/0xc00 [ 4692.715872][ T75] __do_softirq+0x1f8/0x5df [ 4692.715872][ T75] [ 4702.963398][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4702.963842][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4702.963842][ T75] dst_init+0x84/0x4a0 [ 4702.963842][ T75] dst_alloc+0x97/0x150 [ 4702.963842][ T75] rt_dst_alloc+0x31/0x3b0 [ 4702.963842][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4702.963842][ T75] ip_route_input_noref+0xe6/0x230 [ 4702.963842][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4702.963842][ T75] ip_rcv+0x16b/0x470 [ 4702.963842][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4702.963842][ T75] process_backlog+0x103/0x670 [ 4702.963842][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4702.963842][ T75] net_rx_action+0x49f/0xc00 [ 4702.963842][ T75] __do_softirq+0x1f8/0x5df [ 4702.963842][ T75] [ 4713.211409][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4713.211856][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4713.211856][ T75] dst_init+0x84/0x4a0 [ 4713.211856][ T75] dst_alloc+0x97/0x150 [ 4713.211856][ T75] rt_dst_alloc+0x31/0x3b0 [ 4713.211856][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4713.211856][ T75] ip_route_input_noref+0xe6/0x230 [ 4713.211856][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4713.211856][ T75] ip_rcv+0x16b/0x470 [ 4713.211856][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4713.211856][ T75] process_backlog+0x103/0x670 [ 4713.211856][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4713.211856][ T75] net_rx_action+0x49f/0xc00 [ 4713.211856][ T75] __do_softirq+0x1f8/0x5df [ 4713.211856][ T75] [ 4723.459470][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4723.460050][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4723.460050][ T75] dst_init+0x84/0x4a0 [ 4723.460050][ T75] dst_alloc+0x97/0x150 [ 4723.460050][ T75] rt_dst_alloc+0x31/0x3b0 [ 4723.460050][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4723.460050][ T75] ip_route_input_noref+0xe6/0x230 [ 4723.460050][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4723.460050][ T75] ip_rcv+0x16b/0x470 [ 4723.460050][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4723.460050][ T75] process_backlog+0x103/0x670 [ 4723.460050][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4723.460050][ T75] net_rx_action+0x49f/0xc00 [ 4723.460050][ T75] __do_softirq+0x1f8/0x5df [ 4723.460050][ T75] [ 4733.707471][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4733.708069][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4733.708069][ T75] dst_init+0x84/0x4a0 [ 4733.708069][ T75] dst_alloc+0x97/0x150 [ 4733.708069][ T75] rt_dst_alloc+0x31/0x3b0 [ 4733.708069][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4733.708069][ T75] ip_route_input_noref+0xe6/0x230 [ 4733.708069][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4733.708069][ T75] ip_rcv+0x16b/0x470 [ 4733.708069][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4733.708069][ T75] process_backlog+0x103/0x670 [ 4733.708069][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4733.708069][ T75] net_rx_action+0x49f/0xc00 [ 4733.708069][ T75] __do_softirq+0x1f8/0x5df [ 4733.708069][ T75] [ 4743.955483][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4743.956047][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4743.956047][ T75] dst_init+0x84/0x4a0 [ 4743.956047][ T75] dst_alloc+0x97/0x150 [ 4743.956047][ T75] rt_dst_alloc+0x31/0x3b0 [ 4743.956047][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4743.956047][ T75] ip_route_input_noref+0xe6/0x230 [ 4743.956047][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4743.956047][ T75] ip_rcv+0x16b/0x470 [ 4743.956047][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4743.956047][ T75] process_backlog+0x103/0x670 [ 4743.956047][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4743.956047][ T75] net_rx_action+0x49f/0xc00 [ 4743.956047][ T75] __do_softirq+0x1f8/0x5df [ 4743.956047][ T75] [ 4754.203475][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4754.204053][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4754.204053][ T75] dst_init+0x84/0x4a0 [ 4754.204053][ T75] dst_alloc+0x97/0x150 [ 4754.204053][ T75] rt_dst_alloc+0x31/0x3b0 [ 4754.204053][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4754.204053][ T75] ip_route_input_noref+0xe6/0x230 [ 4754.204053][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4754.204053][ T75] ip_rcv+0x16b/0x470 [ 4754.204053][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4754.204053][ T75] process_backlog+0x103/0x670 [ 4754.204053][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4754.204053][ T75] net_rx_action+0x49f/0xc00 [ 4754.204053][ T75] __do_softirq+0x1f8/0x5df [ 4754.204053][ T75] [ 4764.451435][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4764.452006][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4764.452006][ T75] dst_init+0x84/0x4a0 [ 4764.452006][ T75] dst_alloc+0x97/0x150 [ 4764.452006][ T75] rt_dst_alloc+0x31/0x3b0 [ 4764.452006][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4764.452006][ T75] ip_route_input_noref+0xe6/0x230 [ 4764.452006][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4764.452006][ T75] ip_rcv+0x16b/0x470 [ 4764.452006][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4764.452006][ T75] process_backlog+0x103/0x670 [ 4764.452006][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4764.452006][ T75] net_rx_action+0x49f/0xc00 [ 4764.452006][ T75] __do_softirq+0x1f8/0x5df [ 4764.452006][ T75] [ 4774.699441][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4774.699981][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4774.699981][ T75] dst_init+0x84/0x4a0 [ 4774.699981][ T75] dst_alloc+0x97/0x150 [ 4774.699981][ T75] rt_dst_alloc+0x31/0x3b0 [ 4774.699981][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4774.699981][ T75] ip_route_input_noref+0xe6/0x230 [ 4774.699981][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4774.699981][ T75] ip_rcv+0x16b/0x470 [ 4774.699981][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4774.699981][ T75] process_backlog+0x103/0x670 [ 4774.699981][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4774.699981][ T75] net_rx_action+0x49f/0xc00 [ 4774.699981][ T75] __do_softirq+0x1f8/0x5df [ 4774.699981][ T75] [ 4784.947414][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4784.947915][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4784.947915][ T75] dst_init+0x84/0x4a0 [ 4784.947915][ T75] dst_alloc+0x97/0x150 [ 4784.947915][ T75] rt_dst_alloc+0x31/0x3b0 [ 4784.947915][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4784.947915][ T75] ip_route_input_noref+0xe6/0x230 [ 4784.947915][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4784.947915][ T75] ip_rcv+0x16b/0x470 [ 4784.947915][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4784.947915][ T75] process_backlog+0x103/0x670 [ 4784.947915][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4784.947915][ T75] net_rx_action+0x49f/0xc00 [ 4784.947915][ T75] __do_softirq+0x1f8/0x5df [ 4784.947915][ T75] [ 4795.195441][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4795.195855][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4795.195855][ T75] dst_init+0x84/0x4a0 [ 4795.195855][ T75] dst_alloc+0x97/0x150 [ 4795.195855][ T75] rt_dst_alloc+0x31/0x3b0 [ 4795.195855][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4795.195855][ T75] ip_route_input_noref+0xe6/0x230 [ 4795.195855][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4795.195855][ T75] ip_rcv+0x16b/0x470 [ 4795.195855][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4795.195855][ T75] process_backlog+0x103/0x670 [ 4795.195855][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4795.195855][ T75] net_rx_action+0x49f/0xc00 [ 4795.195855][ T75] __do_softirq+0x1f8/0x5df [ 4795.195855][ T75] [ 4805.443433][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4805.443858][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4805.443858][ T75] dst_init+0x84/0x4a0 [ 4805.443858][ T75] dst_alloc+0x97/0x150 [ 4805.443858][ T75] rt_dst_alloc+0x31/0x3b0 [ 4805.443858][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4805.443858][ T75] ip_route_input_noref+0xe6/0x230 [ 4805.443858][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4805.443858][ T75] ip_rcv+0x16b/0x470 [ 4805.443858][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4805.443858][ T75] process_backlog+0x103/0x670 [ 4805.443858][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4805.443858][ T75] net_rx_action+0x49f/0xc00 [ 4805.443858][ T75] __do_softirq+0x1f8/0x5df [ 4805.443858][ T75] [ 4815.691543][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4815.691964][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4815.691964][ T75] dst_init+0x84/0x4a0 [ 4815.691964][ T75] dst_alloc+0x97/0x150 [ 4815.691964][ T75] rt_dst_alloc+0x31/0x3b0 [ 4815.691964][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4815.691964][ T75] ip_route_input_noref+0xe6/0x230 [ 4815.691964][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4815.691964][ T75] ip_rcv+0x16b/0x470 [ 4815.691964][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4815.691964][ T75] process_backlog+0x103/0x670 [ 4815.691964][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4815.691964][ T75] net_rx_action+0x49f/0xc00 [ 4815.691964][ T75] __do_softirq+0x1f8/0x5df [ 4815.691964][ T75] [ 4825.939427][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4825.939847][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4825.939847][ T75] dst_init+0x84/0x4a0 [ 4825.939847][ T75] dst_alloc+0x97/0x150 [ 4825.939847][ T75] rt_dst_alloc+0x31/0x3b0 [ 4825.939847][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4825.939847][ T75] ip_route_input_noref+0xe6/0x230 [ 4825.939847][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4825.939847][ T75] ip_rcv+0x16b/0x470 [ 4825.939847][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4825.939847][ T75] process_backlog+0x103/0x670 [ 4825.939847][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4825.939847][ T75] net_rx_action+0x49f/0xc00 [ 4825.939847][ T75] __do_softirq+0x1f8/0x5df [ 4825.939847][ T75] [ 4836.187411][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4836.187828][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4836.187828][ T75] dst_init+0x84/0x4a0 [ 4836.187828][ T75] dst_alloc+0x97/0x150 [ 4836.187828][ T75] rt_dst_alloc+0x31/0x3b0 [ 4836.187828][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4836.187828][ T75] ip_route_input_noref+0xe6/0x230 [ 4836.187828][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4836.187828][ T75] ip_rcv+0x16b/0x470 [ 4836.187828][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4836.187828][ T75] process_backlog+0x103/0x670 [ 4836.187828][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4836.187828][ T75] net_rx_action+0x49f/0xc00 [ 4836.187828][ T75] __do_softirq+0x1f8/0x5df [ 4836.187828][ T75] [ 4846.435472][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4846.435899][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4846.435899][ T75] dst_init+0x84/0x4a0 [ 4846.435899][ T75] dst_alloc+0x97/0x150 [ 4846.435899][ T75] rt_dst_alloc+0x31/0x3b0 [ 4846.435899][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4846.435899][ T75] ip_route_input_noref+0xe6/0x230 [ 4846.435899][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4846.435899][ T75] ip_rcv+0x16b/0x470 [ 4846.435899][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4846.435899][ T75] process_backlog+0x103/0x670 [ 4846.435899][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4846.435899][ T75] net_rx_action+0x49f/0xc00 [ 4846.435899][ T75] __do_softirq+0x1f8/0x5df [ 4846.435899][ T75] [ 4856.683441][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4856.683848][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4856.683848][ T75] dst_init+0x84/0x4a0 [ 4856.683848][ T75] dst_alloc+0x97/0x150 [ 4856.683848][ T75] rt_dst_alloc+0x31/0x3b0 [ 4856.683848][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4856.683848][ T75] ip_route_input_noref+0xe6/0x230 [ 4856.683848][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4856.683848][ T75] ip_rcv+0x16b/0x470 [ 4856.683848][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4856.683848][ T75] process_backlog+0x103/0x670 [ 4856.683848][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4856.683848][ T75] net_rx_action+0x49f/0xc00 [ 4856.683848][ T75] __do_softirq+0x1f8/0x5df [ 4856.683848][ T75] [ 4866.931416][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4866.931858][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4866.931858][ T75] dst_init+0x84/0x4a0 [ 4866.931858][ T75] dst_alloc+0x97/0x150 [ 4866.931858][ T75] rt_dst_alloc+0x31/0x3b0 [ 4866.931858][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4866.931858][ T75] ip_route_input_noref+0xe6/0x230 [ 4866.931858][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4866.931858][ T75] ip_rcv+0x16b/0x470 [ 4866.931858][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4866.931858][ T75] process_backlog+0x103/0x670 [ 4866.931858][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4866.931858][ T75] net_rx_action+0x49f/0xc00 [ 4866.931858][ T75] __do_softirq+0x1f8/0x5df [ 4866.931858][ T75] [ 4877.179469][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4877.180065][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4877.180065][ T75] dst_init+0x84/0x4a0 [ 4877.180065][ T75] dst_alloc+0x97/0x150 [ 4877.180065][ T75] rt_dst_alloc+0x31/0x3b0 [ 4877.180065][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4877.180065][ T75] ip_route_input_noref+0xe6/0x230 [ 4877.180065][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4877.180065][ T75] ip_rcv+0x16b/0x470 [ 4877.180065][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4877.180065][ T75] process_backlog+0x103/0x670 [ 4877.180065][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4877.180065][ T75] net_rx_action+0x49f/0xc00 [ 4877.180065][ T75] __do_softirq+0x1f8/0x5df [ 4877.180065][ T75] [ 4887.427401][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4887.427802][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4887.427802][ T75] dst_init+0x84/0x4a0 [ 4887.427802][ T75] dst_alloc+0x97/0x150 [ 4887.427802][ T75] rt_dst_alloc+0x31/0x3b0 [ 4887.427802][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4887.427802][ T75] ip_route_input_noref+0xe6/0x230 [ 4887.427802][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4887.427802][ T75] ip_rcv+0x16b/0x470 [ 4887.427802][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4887.427802][ T75] process_backlog+0x103/0x670 [ 4887.427802][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4887.427802][ T75] net_rx_action+0x49f/0xc00 [ 4887.427802][ T75] __do_softirq+0x1f8/0x5df [ 4887.427802][ T75] [ 4897.675488][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4897.676044][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4897.676044][ T75] dst_init+0x84/0x4a0 [ 4897.676044][ T75] dst_alloc+0x97/0x150 [ 4897.676044][ T75] rt_dst_alloc+0x31/0x3b0 [ 4897.676044][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4897.676044][ T75] ip_route_input_noref+0xe6/0x230 [ 4897.676044][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4897.676044][ T75] ip_rcv+0x16b/0x470 [ 4897.676044][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4897.676044][ T75] process_backlog+0x103/0x670 [ 4897.676044][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4897.676044][ T75] net_rx_action+0x49f/0xc00 [ 4897.676044][ T75] __do_softirq+0x1f8/0x5df [ 4897.676044][ T75] [ 4907.923516][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4907.924013][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4907.924013][ T75] dst_init+0x84/0x4a0 [ 4907.924013][ T75] dst_alloc+0x97/0x150 [ 4907.924013][ T75] rt_dst_alloc+0x31/0x3b0 [ 4907.924013][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4907.924013][ T75] ip_route_input_noref+0xe6/0x230 [ 4907.924013][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4907.924013][ T75] ip_rcv+0x16b/0x470 [ 4907.924013][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4907.924013][ T75] process_backlog+0x103/0x670 [ 4907.924013][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4907.924013][ T75] net_rx_action+0x49f/0xc00 [ 4907.924013][ T75] __do_softirq+0x1f8/0x5df [ 4907.924013][ T75] [ 4918.171521][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4918.172090][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4918.172090][ T75] dst_init+0x84/0x4a0 [ 4918.172090][ T75] dst_alloc+0x97/0x150 [ 4918.172090][ T75] rt_dst_alloc+0x31/0x3b0 [ 4918.172090][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4918.172090][ T75] ip_route_input_noref+0xe6/0x230 [ 4918.172090][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4918.172090][ T75] ip_rcv+0x16b/0x470 [ 4918.172090][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4918.172090][ T75] process_backlog+0x103/0x670 [ 4918.172090][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4918.172090][ T75] net_rx_action+0x49f/0xc00 [ 4918.172090][ T75] __do_softirq+0x1f8/0x5df [ 4918.172090][ T75] [ 4928.419522][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4928.420159][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4928.420159][ T75] dst_init+0x84/0x4a0 [ 4928.420159][ T75] dst_alloc+0x97/0x150 [ 4928.420159][ T75] rt_dst_alloc+0x31/0x3b0 [ 4928.420159][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4928.420159][ T75] ip_route_input_noref+0xe6/0x230 [ 4928.420159][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4928.420159][ T75] ip_rcv+0x16b/0x470 [ 4928.420159][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4928.420159][ T75] process_backlog+0x103/0x670 [ 4928.420159][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4928.420159][ T75] net_rx_action+0x49f/0xc00 [ 4928.420159][ T75] __do_softirq+0x1f8/0x5df [ 4928.420159][ T75] [ 4938.667530][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4938.668053][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4938.668053][ T75] dst_init+0x84/0x4a0 [ 4938.668053][ T75] dst_alloc+0x97/0x150 [ 4938.668053][ T75] rt_dst_alloc+0x31/0x3b0 [ 4938.668053][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4938.668053][ T75] ip_route_input_noref+0xe6/0x230 [ 4938.668053][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4938.668053][ T75] ip_rcv+0x16b/0x470 [ 4938.668053][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4938.668053][ T75] process_backlog+0x103/0x670 [ 4938.668053][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4938.668053][ T75] net_rx_action+0x49f/0xc00 [ 4938.668053][ T75] __do_softirq+0x1f8/0x5df [ 4938.668053][ T75] [ 4948.915529][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4948.916223][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4948.916223][ T75] dst_init+0x84/0x4a0 [ 4948.916223][ T75] dst_alloc+0x97/0x150 [ 4948.916223][ T75] rt_dst_alloc+0x31/0x3b0 [ 4948.916223][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4948.916223][ T75] ip_route_input_noref+0xe6/0x230 [ 4948.916223][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4948.916223][ T75] ip_rcv+0x16b/0x470 [ 4948.916223][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4948.916223][ T75] process_backlog+0x103/0x670 [ 4948.916223][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4948.916223][ T75] net_rx_action+0x49f/0xc00 [ 4948.916223][ T75] __do_softirq+0x1f8/0x5df [ 4948.916223][ T75] [ 4959.163460][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4959.164015][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4959.164015][ T75] dst_init+0x84/0x4a0 [ 4959.164015][ T75] dst_alloc+0x97/0x150 [ 4959.164015][ T75] rt_dst_alloc+0x31/0x3b0 [ 4959.164015][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4959.164015][ T75] ip_route_input_noref+0xe6/0x230 [ 4959.164015][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4959.164015][ T75] ip_rcv+0x16b/0x470 [ 4959.164015][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4959.164015][ T75] process_backlog+0x103/0x670 [ 4959.164015][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4959.164015][ T75] net_rx_action+0x49f/0xc00 [ 4959.164015][ T75] __do_softirq+0x1f8/0x5df [ 4959.164015][ T75] [ 4969.411509][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4969.412010][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4969.412010][ T75] dst_init+0x84/0x4a0 [ 4969.412010][ T75] dst_alloc+0x97/0x150 [ 4969.412010][ T75] rt_dst_alloc+0x31/0x3b0 [ 4969.412010][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4969.412010][ T75] ip_route_input_noref+0xe6/0x230 [ 4969.412010][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4969.412010][ T75] ip_rcv+0x16b/0x470 [ 4969.412010][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4969.412010][ T75] process_backlog+0x103/0x670 [ 4969.412010][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4969.412010][ T75] net_rx_action+0x49f/0xc00 [ 4969.412010][ T75] __do_softirq+0x1f8/0x5df [ 4969.412010][ T75] [ 4979.659543][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4979.660273][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4979.660273][ T75] dst_init+0x84/0x4a0 [ 4979.660273][ T75] dst_alloc+0x97/0x150 [ 4979.660273][ T75] rt_dst_alloc+0x31/0x3b0 [ 4979.660273][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4979.660273][ T75] ip_route_input_noref+0xe6/0x230 [ 4979.660273][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4979.660273][ T75] ip_rcv+0x16b/0x470 [ 4979.660273][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4979.660273][ T75] process_backlog+0x103/0x670 [ 4979.660273][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4979.660273][ T75] net_rx_action+0x49f/0xc00 [ 4979.660273][ T75] __do_softirq+0x1f8/0x5df [ 4979.660273][ T75] [ 4989.907444][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 4989.907912][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 4989.907912][ T75] dst_init+0x84/0x4a0 [ 4989.907912][ T75] dst_alloc+0x97/0x150 [ 4989.907912][ T75] rt_dst_alloc+0x31/0x3b0 [ 4989.907912][ T75] ip_route_input_slow+0xe44/0x1d70 [ 4989.907912][ T75] ip_route_input_noref+0xe6/0x230 [ 4989.907912][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 4989.907912][ T75] ip_rcv+0x16b/0x470 [ 4989.907912][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 4989.907912][ T75] process_backlog+0x103/0x670 [ 4989.907912][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 4989.907912][ T75] net_rx_action+0x49f/0xc00 [ 4989.907912][ T75] __do_softirq+0x1f8/0x5df [ 4989.907912][ T75] [ 5000.155455][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 5000.155880][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 5000.155880][ T75] dst_init+0x84/0x4a0 [ 5000.155880][ T75] dst_alloc+0x97/0x150 [ 5000.155880][ T75] rt_dst_alloc+0x31/0x3b0 [ 5000.155880][ T75] ip_route_input_slow+0xe44/0x1d70 [ 5000.155880][ T75] ip_route_input_noref+0xe6/0x230 [ 5000.155880][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 5000.155880][ T75] ip_rcv+0x16b/0x470 [ 5000.155880][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 5000.155880][ T75] process_backlog+0x103/0x670 [ 5000.155880][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 5000.155880][ T75] net_rx_action+0x49f/0xc00 [ 5000.155880][ T75] __do_softirq+0x1f8/0x5df [ 5000.155880][ T75] [ 5010.403424][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 5010.403868][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 5010.403868][ T75] dst_init+0x84/0x4a0 [ 5010.403868][ T75] dst_alloc+0x97/0x150 [ 5010.403868][ T75] rt_dst_alloc+0x31/0x3b0 [ 5010.403868][ T75] ip_route_input_slow+0xe44/0x1d70 [ 5010.403868][ T75] ip_route_input_noref+0xe6/0x230 [ 5010.403868][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 5010.403868][ T75] ip_rcv+0x16b/0x470 [ 5010.403868][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 5010.403868][ T75] process_backlog+0x103/0x670 [ 5010.403868][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 5010.403868][ T75] net_rx_action+0x49f/0xc00 [ 5010.403868][ T75] __do_softirq+0x1f8/0x5df [ 5010.403868][ T75] [ 5020.651417][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 5020.651862][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 5020.651862][ T75] dst_init+0x84/0x4a0 [ 5020.651862][ T75] dst_alloc+0x97/0x150 [ 5020.651862][ T75] rt_dst_alloc+0x31/0x3b0 [ 5020.651862][ T75] ip_route_input_slow+0xe44/0x1d70 [ 5020.651862][ T75] ip_route_input_noref+0xe6/0x230 [ 5020.651862][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 5020.651862][ T75] ip_rcv+0x16b/0x470 [ 5020.651862][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 5020.651862][ T75] process_backlog+0x103/0x670 [ 5020.651862][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 5020.651862][ T75] net_rx_action+0x49f/0xc00 [ 5020.651862][ T75] __do_softirq+0x1f8/0x5df [ 5020.651862][ T75] [ 5030.899475][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 5030.899881][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 5030.899881][ T75] dst_init+0x84/0x4a0 [ 5030.899881][ T75] dst_alloc+0x97/0x150 [ 5030.899881][ T75] rt_dst_alloc+0x31/0x3b0 [ 5030.899881][ T75] ip_route_input_slow+0xe44/0x1d70 [ 5030.899881][ T75] ip_route_input_noref+0xe6/0x230 [ 5030.899881][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 5030.899881][ T75] ip_rcv+0x16b/0x470 [ 5030.899881][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 5030.899881][ T75] process_backlog+0x103/0x670 [ 5030.899881][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 5030.899881][ T75] net_rx_action+0x49f/0xc00 [ 5030.899881][ T75] __do_softirq+0x1f8/0x5df [ 5030.899881][ T75] [ 5041.147473][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 5041.148038][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 5041.148038][ T75] dst_init+0x84/0x4a0 [ 5041.148038][ T75] dst_alloc+0x97/0x150 [ 5041.148038][ T75] rt_dst_alloc+0x31/0x3b0 [ 5041.148038][ T75] ip_route_input_slow+0xe44/0x1d70 [ 5041.148038][ T75] ip_route_input_noref+0xe6/0x230 [ 5041.148038][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 5041.148038][ T75] ip_rcv+0x16b/0x470 [ 5041.148038][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 5041.148038][ T75] process_backlog+0x103/0x670 [ 5041.148038][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 5041.148038][ T75] net_rx_action+0x49f/0xc00 [ 5041.148038][ T75] __do_softirq+0x1f8/0x5df [ 5041.148038][ T75] [ 5051.395434][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 5051.395816][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 5051.395816][ T75] dst_init+0x84/0x4a0 [ 5051.395816][ T75] dst_alloc+0x97/0x150 [ 5051.395816][ T75] rt_dst_alloc+0x31/0x3b0 [ 5051.395816][ T75] ip_route_input_slow+0xe44/0x1d70 [ 5051.395816][ T75] ip_route_input_noref+0xe6/0x230 [ 5051.395816][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 5051.395816][ T75] ip_rcv+0x16b/0x470 [ 5051.395816][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 5051.395816][ T75] process_backlog+0x103/0x670 [ 5051.395816][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 5051.395816][ T75] net_rx_action+0x49f/0xc00 [ 5051.395816][ T75] __do_softirq+0x1f8/0x5df [ 5051.395816][ T75] [ 5061.643423][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 5061.643915][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 5061.643915][ T75] dst_init+0x84/0x4a0 [ 5061.643915][ T75] dst_alloc+0x97/0x150 [ 5061.643915][ T75] rt_dst_alloc+0x31/0x3b0 [ 5061.643915][ T75] ip_route_input_slow+0xe44/0x1d70 [ 5061.643915][ T75] ip_route_input_noref+0xe6/0x230 [ 5061.643915][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 5061.643915][ T75] ip_rcv+0x16b/0x470 [ 5061.643915][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 5061.643915][ T75] process_backlog+0x103/0x670 [ 5061.643915][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 5061.643915][ T75] net_rx_action+0x49f/0xc00 [ 5061.643915][ T75] __do_softirq+0x1f8/0x5df [ 5061.643915][ T75] [ 5071.891385][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 5071.891842][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 5071.891842][ T75] dst_init+0x84/0x4a0 [ 5071.891842][ T75] dst_alloc+0x97/0x150 [ 5071.891842][ T75] rt_dst_alloc+0x31/0x3b0 [ 5071.891842][ T75] ip_route_input_slow+0xe44/0x1d70 [ 5071.891842][ T75] ip_route_input_noref+0xe6/0x230 [ 5071.891842][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 5071.891842][ T75] ip_rcv+0x16b/0x470 [ 5071.891842][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 5071.891842][ T75] process_backlog+0x103/0x670 [ 5071.891842][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 5071.891842][ T75] net_rx_action+0x49f/0xc00 [ 5071.891842][ T75] __do_softirq+0x1f8/0x5df [ 5071.891842][ T75] [ 5082.139370][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 5082.139767][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 5082.139767][ T75] dst_init+0x84/0x4a0 [ 5082.139767][ T75] dst_alloc+0x97/0x150 [ 5082.139767][ T75] rt_dst_alloc+0x31/0x3b0 [ 5082.139767][ T75] ip_route_input_slow+0xe44/0x1d70 [ 5082.139767][ T75] ip_route_input_noref+0xe6/0x230 [ 5082.139767][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 5082.139767][ T75] ip_rcv+0x16b/0x470 [ 5082.139767][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 5082.139767][ T75] process_backlog+0x103/0x670 [ 5082.139767][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 5082.139767][ T75] net_rx_action+0x49f/0xc00 [ 5082.139767][ T75] __do_softirq+0x1f8/0x5df [ 5082.139767][ T75] [ 5092.387421][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 5092.387980][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 5092.387980][ T75] dst_init+0x84/0x4a0 [ 5092.387980][ T75] dst_alloc+0x97/0x150 [ 5092.387980][ T75] rt_dst_alloc+0x31/0x3b0 [ 5092.387980][ T75] ip_route_input_slow+0xe44/0x1d70 [ 5092.387980][ T75] ip_route_input_noref+0xe6/0x230 [ 5092.387980][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 5092.387980][ T75] ip_rcv+0x16b/0x470 [ 5092.387980][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 5092.387980][ T75] process_backlog+0x103/0x670 [ 5092.387980][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 5092.387980][ T75] net_rx_action+0x49f/0xc00 [ 5092.387980][ T75] __do_softirq+0x1f8/0x5df [ 5092.387980][ T75] [ 5102.635443][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 5102.635916][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 5102.635916][ T75] dst_init+0x84/0x4a0 [ 5102.635916][ T75] dst_alloc+0x97/0x150 [ 5102.635916][ T75] rt_dst_alloc+0x31/0x3b0 [ 5102.635916][ T75] ip_route_input_slow+0xe44/0x1d70 [ 5102.635916][ T75] ip_route_input_noref+0xe6/0x230 [ 5102.635916][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 5102.635916][ T75] ip_rcv+0x16b/0x470 [ 5102.635916][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 5102.635916][ T75] process_backlog+0x103/0x670 [ 5102.635916][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 5102.635916][ T75] net_rx_action+0x49f/0xc00 [ 5102.635916][ T75] __do_softirq+0x1f8/0x5df [ 5102.635916][ T75] [ 5112.883446][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 5112.883876][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 5112.883876][ T75] dst_init+0x84/0x4a0 [ 5112.883876][ T75] dst_alloc+0x97/0x150 [ 5112.883876][ T75] rt_dst_alloc+0x31/0x3b0 [ 5112.883876][ T75] ip_route_input_slow+0xe44/0x1d70 [ 5112.883876][ T75] ip_route_input_noref+0xe6/0x230 [ 5112.883876][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 5112.883876][ T75] ip_rcv+0x16b/0x470 [ 5112.883876][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 5112.883876][ T75] process_backlog+0x103/0x670 [ 5112.883876][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 5112.883876][ T75] net_rx_action+0x49f/0xc00 [ 5112.883876][ T75] __do_softirq+0x1f8/0x5df [ 5112.883876][ T75] [ 5123.131503][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 5123.131887][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 5123.131887][ T75] dst_init+0x84/0x4a0 [ 5123.131887][ T75] dst_alloc+0x97/0x150 [ 5123.131887][ T75] rt_dst_alloc+0x31/0x3b0 [ 5123.131887][ T75] ip_route_input_slow+0xe44/0x1d70 [ 5123.131887][ T75] ip_route_input_noref+0xe6/0x230 [ 5123.131887][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 5123.131887][ T75] ip_rcv+0x16b/0x470 [ 5123.131887][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 5123.131887][ T75] process_backlog+0x103/0x670 [ 5123.131887][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 5123.131887][ T75] net_rx_action+0x49f/0xc00 [ 5123.131887][ T75] __do_softirq+0x1f8/0x5df [ 5123.131887][ T75] [ 5133.379441][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 5133.379825][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 5133.379825][ T75] dst_init+0x84/0x4a0 [ 5133.379825][ T75] dst_alloc+0x97/0x150 [ 5133.379825][ T75] rt_dst_alloc+0x31/0x3b0 [ 5133.379825][ T75] ip_route_input_slow+0xe44/0x1d70 [ 5133.379825][ T75] ip_route_input_noref+0xe6/0x230 [ 5133.379825][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 5133.379825][ T75] ip_rcv+0x16b/0x470 [ 5133.379825][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 5133.379825][ T75] process_backlog+0x103/0x670 [ 5133.379825][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 5133.379825][ T75] net_rx_action+0x49f/0xc00 [ 5133.379825][ T75] __do_softirq+0x1f8/0x5df [ 5133.379825][ T75] [ 5143.627480][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 5143.627866][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 5143.627866][ T75] dst_init+0x84/0x4a0 [ 5143.627866][ T75] dst_alloc+0x97/0x150 [ 5143.627866][ T75] rt_dst_alloc+0x31/0x3b0 [ 5143.627866][ T75] ip_route_input_slow+0xe44/0x1d70 [ 5143.627866][ T75] ip_route_input_noref+0xe6/0x230 [ 5143.627866][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 5143.627866][ T75] ip_rcv+0x16b/0x470 [ 5143.627866][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 5143.627866][ T75] process_backlog+0x103/0x670 [ 5143.627866][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 5143.627866][ T75] net_rx_action+0x49f/0xc00 [ 5143.627866][ T75] __do_softirq+0x1f8/0x5df [ 5143.627866][ T75] [ 5153.875423][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 5153.875806][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 5153.875806][ T75] dst_init+0x84/0x4a0 [ 5153.875806][ T75] dst_alloc+0x97/0x150 [ 5153.875806][ T75] rt_dst_alloc+0x31/0x3b0 [ 5153.875806][ T75] ip_route_input_slow+0xe44/0x1d70 [ 5153.875806][ T75] ip_route_input_noref+0xe6/0x230 [ 5153.875806][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 5153.875806][ T75] ip_rcv+0x16b/0x470 [ 5153.875806][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 5153.875806][ T75] process_backlog+0x103/0x670 [ 5153.875806][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 5153.875806][ T75] net_rx_action+0x49f/0xc00 [ 5153.875806][ T75] __do_softirq+0x1f8/0x5df [ 5153.875806][ T75] [ 5164.123453][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 5164.123941][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 5164.123941][ T75] dst_init+0x84/0x4a0 [ 5164.123941][ T75] dst_alloc+0x97/0x150 [ 5164.123941][ T75] rt_dst_alloc+0x31/0x3b0 [ 5164.123941][ T75] ip_route_input_slow+0xe44/0x1d70 [ 5164.123941][ T75] ip_route_input_noref+0xe6/0x230 [ 5164.123941][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 5164.123941][ T75] ip_rcv+0x16b/0x470 [ 5164.123941][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 5164.123941][ T75] process_backlog+0x103/0x670 [ 5164.123941][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 5164.123941][ T75] net_rx_action+0x49f/0xc00 [ 5164.123941][ T75] __do_softirq+0x1f8/0x5df [ 5164.123941][ T75] [ 5174.371372][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 5174.371809][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 5174.371809][ T75] dst_init+0x84/0x4a0 [ 5174.371809][ T75] dst_alloc+0x97/0x150 [ 5174.371809][ T75] rt_dst_alloc+0x31/0x3b0 [ 5174.371809][ T75] ip_route_input_slow+0xe44/0x1d70 [ 5174.371809][ T75] ip_route_input_noref+0xe6/0x230 [ 5174.371809][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 5174.371809][ T75] ip_rcv+0x16b/0x470 [ 5174.371809][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 5174.371809][ T75] process_backlog+0x103/0x670 [ 5174.371809][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 5174.371809][ T75] net_rx_action+0x49f/0xc00 [ 5174.371809][ T75] __do_softirq+0x1f8/0x5df [ 5174.371809][ T75] [ 5184.619384][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 5184.619767][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 5184.619767][ T75] dst_init+0x84/0x4a0 [ 5184.619767][ T75] dst_alloc+0x97/0x150 [ 5184.619767][ T75] rt_dst_alloc+0x31/0x3b0 [ 5184.619767][ T75] ip_route_input_slow+0xe44/0x1d70 [ 5184.619767][ T75] ip_route_input_noref+0xe6/0x230 [ 5184.619767][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 5184.619767][ T75] ip_rcv+0x16b/0x470 [ 5184.619767][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 5184.619767][ T75] process_backlog+0x103/0x670 [ 5184.619767][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 5184.619767][ T75] net_rx_action+0x49f/0xc00 [ 5184.619767][ T75] __do_softirq+0x1f8/0x5df [ 5184.619767][ T75] [ 5194.867415][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 5194.867796][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 5194.867796][ T75] dst_init+0x84/0x4a0 [ 5194.867796][ T75] dst_alloc+0x97/0x150 [ 5194.867796][ T75] rt_dst_alloc+0x31/0x3b0 [ 5194.867796][ T75] ip_route_input_slow+0xe44/0x1d70 [ 5194.867796][ T75] ip_route_input_noref+0xe6/0x230 [ 5194.867796][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 5194.867796][ T75] ip_rcv+0x16b/0x470 [ 5194.867796][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 5194.867796][ T75] process_backlog+0x103/0x670 [ 5194.867796][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 5194.867796][ T75] net_rx_action+0x49f/0xc00 [ 5194.867796][ T75] __do_softirq+0x1f8/0x5df [ 5194.867796][ T75] [ 5205.115433][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 5205.115911][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 5205.115911][ T75] dst_init+0x84/0x4a0 [ 5205.115911][ T75] dst_alloc+0x97/0x150 [ 5205.115911][ T75] rt_dst_alloc+0x31/0x3b0 [ 5205.115911][ T75] ip_route_input_slow+0xe44/0x1d70 [ 5205.115911][ T75] ip_route_input_noref+0xe6/0x230 [ 5205.115911][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 5205.115911][ T75] ip_rcv+0x16b/0x470 [ 5205.115911][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 5205.115911][ T75] process_backlog+0x103/0x670 [ 5205.115911][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 5205.115911][ T75] net_rx_action+0x49f/0xc00 [ 5205.115911][ T75] __do_softirq+0x1f8/0x5df [ 5205.115911][ T75] [ 5215.363475][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 5215.363885][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 5215.363885][ T75] dst_init+0x84/0x4a0 [ 5215.363885][ T75] dst_alloc+0x97/0x150 [ 5215.363885][ T75] rt_dst_alloc+0x31/0x3b0 [ 5215.363885][ T75] ip_route_input_slow+0xe44/0x1d70 [ 5215.363885][ T75] ip_route_input_noref+0xe6/0x230 [ 5215.363885][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 5215.363885][ T75] ip_rcv+0x16b/0x470 [ 5215.363885][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 5215.363885][ T75] process_backlog+0x103/0x670 [ 5215.363885][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 5215.363885][ T75] net_rx_action+0x49f/0xc00 [ 5215.363885][ T75] __do_softirq+0x1f8/0x5df [ 5215.363885][ T75] [ 5225.611480][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 5225.611982][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 5225.611982][ T75] dst_init+0x84/0x4a0 [ 5225.611982][ T75] dst_alloc+0x97/0x150 [ 5225.611982][ T75] rt_dst_alloc+0x31/0x3b0 [ 5225.611982][ T75] ip_route_input_slow+0xe44/0x1d70 [ 5225.611982][ T75] ip_route_input_noref+0xe6/0x230 [ 5225.611982][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 5225.611982][ T75] ip_rcv+0x16b/0x470 [ 5225.611982][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 5225.611982][ T75] process_backlog+0x103/0x670 [ 5225.611982][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 5225.611982][ T75] net_rx_action+0x49f/0xc00 [ 5225.611982][ T75] __do_softirq+0x1f8/0x5df [ 5225.611982][ T75] [ 5235.859439][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 5235.859895][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 5235.859895][ T75] dst_init+0x84/0x4a0 [ 5235.859895][ T75] dst_alloc+0x97/0x150 [ 5235.859895][ T75] rt_dst_alloc+0x31/0x3b0 [ 5235.859895][ T75] ip_route_input_slow+0xe44/0x1d70 [ 5235.859895][ T75] ip_route_input_noref+0xe6/0x230 [ 5235.859895][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 5235.859895][ T75] ip_rcv+0x16b/0x470 [ 5235.859895][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 5235.859895][ T75] process_backlog+0x103/0x670 [ 5235.859895][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 5235.859895][ T75] net_rx_action+0x49f/0xc00 [ 5235.859895][ T75] __do_softirq+0x1f8/0x5df [ 5235.859895][ T75] [ 5246.107424][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 5246.107916][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 5246.107916][ T75] dst_init+0x84/0x4a0 [ 5246.107916][ T75] dst_alloc+0x97/0x150 [ 5246.107916][ T75] rt_dst_alloc+0x31/0x3b0 [ 5246.107916][ T75] ip_route_input_slow+0xe44/0x1d70 [ 5246.107916][ T75] ip_route_input_noref+0xe6/0x230 [ 5246.107916][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 5246.107916][ T75] ip_rcv+0x16b/0x470 [ 5246.107916][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 5246.107916][ T75] process_backlog+0x103/0x670 [ 5246.107916][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 5246.107916][ T75] net_rx_action+0x49f/0xc00 [ 5246.107916][ T75] __do_softirq+0x1f8/0x5df [ 5246.107916][ T75] [ 5256.355465][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 5256.355937][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 5256.355937][ T75] dst_init+0x84/0x4a0 [ 5256.355937][ T75] dst_alloc+0x97/0x150 [ 5256.355937][ T75] rt_dst_alloc+0x31/0x3b0 [ 5256.355937][ T75] ip_route_input_slow+0xe44/0x1d70 [ 5256.355937][ T75] ip_route_input_noref+0xe6/0x230 [ 5256.355937][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 5256.355937][ T75] ip_rcv+0x16b/0x470 [ 5256.355937][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 5256.355937][ T75] process_backlog+0x103/0x670 [ 5256.355937][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 5256.355937][ T75] net_rx_action+0x49f/0xc00 [ 5256.355937][ T75] __do_softirq+0x1f8/0x5df [ 5256.355937][ T75] [ 5266.603416][ T75] unregister_netdevice: waiting for lo to become free. Usage count = 4 [ 5266.603893][ T75] ref_tracker: lo@ffff8880090f95d0 has 3/3 users at [ 5266.603893][ T75] dst_init+0x84/0x4a0 [ 5266.603893][ T75] dst_alloc+0x97/0x150 [ 5266.603893][ T75] rt_dst_alloc+0x31/0x3b0 [ 5266.603893][ T75] ip_route_input_slow+0xe44/0x1d70 [ 5266.603893][ T75] ip_route_input_noref+0xe6/0x230 [ 5266.603893][ T75] ip_rcv_finish_core.constprop.0+0x63e/0x1470 [ 5266.603893][ T75] ip_rcv+0x16b/0x470 [ 5266.603893][ T75] __netif_receive_skb_one_core+0x166/0x1b0 [ 5266.603893][ T75] process_backlog+0x103/0x670 [ 5266.603893][ T75] __napi_poll.constprop.0+0xa2/0x460 [ 5266.603893][ T75] net_rx_action+0x49f/0xc00 [ 5266.603893][ T75] __do_softirq+0x1f8/0x5df [ 5266.603893][ T75]