unregister_netdevice: waiting for »»»»»» to become free. Usage count = 3
ref_tracker: netdev@ffffaf801b2a45f0 has 1/1 users at
     ref_tracker_alloc+0x1c4/0x542 lib/ref_tracker.c:277
     __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+0x2c4/0x6de drivers/infiniband/core/device.c:2222
     siw_device_create drivers/infiniband/sw/siw/siw_main.c:320 [inline]
     siw_newlink drivers/infiniband/sw/siw/siw_main.c:426 [inline]
     siw_newlink+0x4ce/0xe3a drivers/infiniband/sw/siw/siw_main.c:412
     nldev_newlink+0x346/0x5b0 drivers/infiniband/core/nldev.c:1797
     rdma_nl_rcv_msg+0x352/0x680 drivers/infiniband/core/netlink.c:195
     rdma_nl_rcv_skb.constprop.0.isra.0+0x30a/0x406 drivers/infiniband/core/netlink.c:239
     rdma_nl_rcv+0x1a/0x24 drivers/infiniband/core/netlink.c:259
     netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline]
     netlink_unicast+0x544/0x88a net/netlink/af_netlink.c:1346
     netlink_sendmsg+0x850/0xdc8 net/netlink/af_netlink.c:1896
     sock_sendmsg_nosec net/socket.c:727 [inline]
     __sock_sendmsg+0xcc/0x160 net/socket.c:742
     ____sys_sendmsg+0x640/0x79e net/socket.c:2630
     ___sys_sendmsg+0x144/0x1e6 net/socket.c:2684
     __sys_sendmsg+0x188/0x246 net/socket.c:2716
     __do_sys_sendmsg net/socket.c:2721 [inline]
     __se_sys_sendmsg net/socket.c:2719 [inline]
     __riscv_sys_sendmsg+0x70/0xa2 net/socket.c:2719
     syscall_handler+0x94/0x118 arch/riscv/include/asm/syscall.h:112
     do_trap_ecall_u+0x39e/0x53a arch/riscv/kernel/traps.c:343