unregister_netdevice: waiting for vcan0 to become free. Usage count = 4
ref_tracker: netdev@0000000008f12873 has 1/1 users at
     __netdev_tracker_alloc include/linux/netdevice.h:4375 [inline]
     netdev_hold include/linux/netdevice.h:4404 [inline]
     netdev_hold include/linux/netdevice.h:4399 [inline]
     ib_device_set_netdev drivers/infiniband/core/device.c:2253 [inline]
     ib_device_set_netdev+0x1cc/0x580 drivers/infiniband/core/device.c:2222
     rxe_register_device+0x200/0x2b8 drivers/infiniband/sw/rxe/rxe_verbs.c:1552
     rxe_add+0xd60/0x10c8 drivers/infiniband/sw/rxe/rxe.c:212
     rxe_net_add+0x9c/0xf4 drivers/infiniband/sw/rxe/rxe_net.c:537
     rxe_newlink+0x58/0x14c drivers/infiniband/sw/rxe/rxe.c:234
     nldev_newlink+0x280/0x4b4 drivers/infiniband/core/nldev.c:1797
     rdma_nl_rcv_msg+0x274/0x56c drivers/infiniband/core/netlink.c:195
     rdma_nl_rcv_skb.constprop.0.isra.0+0x1f0/0x328 drivers/infiniband/core/netlink.c:239
     rdma_nl_rcv+0x10/0x1c drivers/infiniband/core/netlink.c:259
     netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline]
     netlink_unicast+0x424/0x700 net/netlink/af_netlink.c:1346
     netlink_sendmsg+0x640/0xa50 net/netlink/af_netlink.c:1896
     sock_sendmsg_nosec net/socket.c:727 [inline]
     __sock_sendmsg+0xc8/0x168 net/socket.c:742
     ____sys_sendmsg+0x500/0x764 net/socket.c:2630
     ___sys_sendmsg+0x11c/0x19c net/socket.c:2684
     __sys_sendmsg+0x114/0x19c net/socket.c:2716
     __do_sys_sendmsg net/socket.c:2721 [inline]
     __se_sys_sendmsg net/socket.c:2719 [inline]
     __arm64_sys_sendmsg+0x70/0xa0 net/socket.c:2719

unregister_netdevice: waiting for lo to become free. Usage count = 7
ref_tracker: netdev@00000000d51d0fde has 1/1 users at
     __netdev_tracker_alloc include/linux/netdevice.h:4375 [inline]
     netdev_hold include/linux/netdevice.h:4404 [inline]
     netdev_hold include/linux/netdevice.h:4399 [inline]
     ib_device_set_netdev drivers/infiniband/core/device.c:2253 [inline]
     ib_device_set_netdev+0x1cc/0x580 drivers/infiniband/core/device.c:2222
     rxe_register_device+0x200/0x2b8 drivers/infiniband/sw/rxe/rxe_verbs.c:1552
     rxe_add+0xd60/0x10c8 drivers/infiniband/sw/rxe/rxe.c:212
     rxe_net_add+0x9c/0xf4 drivers/infiniband/sw/rxe/rxe_net.c:537
     rxe_newlink+0x58/0x14c drivers/infiniband/sw/rxe/rxe.c:234
     nldev_newlink+0x280/0x4b4 drivers/infiniband/core/nldev.c:1797
     rdma_nl_rcv_msg+0x274/0x56c drivers/infiniband/core/netlink.c:195
     rdma_nl_rcv_skb.constprop.0.isra.0+0x1f0/0x328 drivers/infiniband/core/netlink.c:239
     rdma_nl_rcv+0x10/0x1c drivers/infiniband/core/netlink.c:259
     netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline]
     netlink_unicast+0x424/0x700 net/netlink/af_netlink.c:1346
     netlink_sendmsg+0x640/0xa50 net/netlink/af_netlink.c:1896
     sock_sendmsg_nosec net/socket.c:727 [inline]
     __sock_sendmsg+0xc8/0x168 net/socket.c:742
     ____sys_sendmsg+0x500/0x764 net/socket.c:2630
     ___sys_sendmsg+0x11c/0x19c net/socket.c:2684
     __sys_sendmsg+0x114/0x19c net/socket.c:2716
     __do_sys_sendmsg net/socket.c:2721 [inline]
     __se_sys_sendmsg net/socket.c:2719 [inline]
     __arm64_sys_sendmsg+0x70/0xa0 net/socket.c:2719

netdevsim netdevsim3 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
netdevsim netdevsim3 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
netdevsim netdevsim3 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
netdevsim netdevsim3 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
bond0 (unregistering): Released all slaves
bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
bond0 (unregistering): Released all slaves
hsr_slave_0: left promiscuous mode
hsr_slave_1: left promiscuous mode
hsr_slave_0: left promiscuous mode
hsr_slave_1: left promiscuous mode
veth1_macvtap: left promiscuous mode
veth0_macvtap: left promiscuous mode
veth1_vlan: left promiscuous mode
veth0_vlan: left promiscuous mode
veth1_macvtap: left promiscuous mode
veth0_macvtap: left promiscuous mode
veth1_vlan: left promiscuous mode
veth0_vlan: left promiscuous mode