r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f00000002c0)={'lo\x00', &(0x7f00000001c0)=@ethtool_gstrings={0x1b, 0x8}})