ieee80211 phy0: Hardware restart was requested - driver issue

have a new laptop with intel chip -
the wireless adapter (details see below) is not working correctly, sometimes the machine freezes for a while …

I use opensuse leap 42.2

from dmesg I get:
65.008321] iwlwifi 0000:02:00.0: 0x00049ED0 | umac minor
65.008321] iwlwifi 0000:02:00.0: 0xC0886298 | frame pointer
65.008322] iwlwifi 0000:02:00.0: 0xC0886298 | stack pointer
65.008322] iwlwifi 0000:02:00.0: 0x092B010D | last host cmd
65.008323] iwlwifi 0000:02:00.0: 0x00000000 | isr status reg
65.008329] ieee80211 phy0: Hardware restart was requested
65.008333] iwlwifi 0000:02:00.0: Scan failed! ret -110
65.511055] iwlwifi 0000:02:00.0: Queue 9 stuck for 2500 ms.

more frequently and continuously - I get :
1572.720319] ------------ cut here ]------------
1572.720330] WARNING: CPU: 1 PID: 3391 at …/net/mac80211/driver-ops.h:12 __ieee80211_key_destroy+0x2bd/0x310 mac80211
1572.720331] wlan0: Failed check-sdata-in-driver check, flags: 0x4
1572.720398] CPU: 1 PID: 3391 Comm: kworker/1:2 Tainted: G W O 4.4.92-31-default #1
1572.720398] Hardware name: ASUSTeK COMPUTER INC. UX410UQK/UX410UQK, BIOS UX410UQK.301 12/12/2016
1572.720407] Workqueue: events_freezable ieee80211_restart_work [mac80211]
1572.720408] 0000000000000000 ffffffff8133a1b7 ffff880239c3b980 ffffffffa0bd678f
1572.720411] ffffffff81080691 ffff880265568000 ffff880239c3b9d0 0000000000000000
1572.720413] ffff880264032840 0000000000000001 ffffffff8108070c ffffffffa0bd3f18
1572.720415] Call Trace:
1572.720419] <ffffffff81019f29>] dump_trace+0x59/0x320
1572.720421] <ffffffff8101a2ea>] show_stack_log_lvl+0xfa/0x180
1572.720423] <ffffffff8101b091>] show_stack+0x21/0x40
1572.720425] <ffffffff8133a1b7>] dump_stack+0x5c/0x85
1572.720427] <ffffffff81080691>] warn_slowpath_common+0x81/0xb0
1572.720429] <ffffffff8108070c>] warn_slowpath_fmt+0x4c/0x50
1572.720439] <ffffffffa0b903ad>] __ieee80211_key_destroy+0x2bd/0x310 [mac80211]
1572.720473] <ffffffffa0b7e2fa>] ieee80211_del_key+0x7a/0xc0 [mac80211]
1572.720494] <ffffffffa08db01a>] __cfg80211_disconnected+0x12a/0x3b0 [cfg80211]
1572.720504] <ffffffffa08d5f0f>] cfg80211_process_deauth+0xbf/0xe0 [cfg80211]
1572.720519] <ffffffffa0bade03>] ieee80211_report_disconnect+0x53/0x160 [mac80211]
1572.720531] <ffffffffa0bb35f3>] ieee80211_mgd_deauth+0x133/0x230 [mac80211]
1572.720543] <ffffffffa08d733e>] cfg80211_mlme_deauth+0x8e/0x160 [cfg80211]
1572.720553] <ffffffffa08d762b>] cfg80211_mlme_down+0x5b/0x70 [cfg80211]
1572.720563] <ffffffffa08db69b>] cfg80211_disconnect+0x1cb/0x1f0 [cfg80211]
1572.720575] <ffffffffa08b0086>] cfg80211_leave+0x26/0x40 [cfg80211]
1572.720583] <ffffffffa08b041f>] cfg80211_netdev_notifier_call+0x37f/0x5d0 [cfg80211]
1572.720587] <ffffffff810a0654>] notifier_call_chain+0x44/0x70
1572.720590] <ffffffff8152edd3>] __dev_close_many+0x53/0xe0
1572.720592] <ffffffff8152eedd>] dev_close_many+0x7d/0x110
1572.720594] <ffffffff81530e44>] dev_close.part.85+0x34/0x50
1572.720597] <ffffffff81530e73>] dev_close+0x13/0x20
1572.720604] <ffffffffa08afa4d>] cfg80211_shutdown_all_interfaces+0x3d/0xa0 [cfg80211]
1572.720617] <ffffffffa0b93e9a>] ieee80211_reconfig+0x8a/0x10e0 [mac80211]
1572.720627] <ffffffffa0b621d7>] ieee80211_restart_work+0x67/0xa0 [mac80211]
1572.720631] <ffffffff810992c5>] process_one_work+0x155/0x440
1572.720634] <ffffffff81099e16>] worker_thread+0x116/0x4b0
1572.720636] <ffffffff8109f422>] kthread+0xd2/0xf0
1572.720639] <ffffffff8163184f>] ret_from_fork+0x3f/0x70
1572.721603] DWARF2 unwinder stuck at ret_from_fork+0x3f/0x70

1572.721605] Leftover inexact backtrace:

1572.721607] <ffffffff8109f350>] ? kthread_park+0x50/0x50
1572.721608] — end trace da18212c04670c22 ]—
1572.721609] wlan0: failed to remove key (2, ff:ff:ff:ff:ff:ff) from hardware (-5)
1572.724071] Leftover inexact backtrace:

1572.724073] <ffffffff8109f350>] ? kthread_park+0x50/0x50
1572.724079] — end trace da18212c04670c24 ]—
1572.804091] iwlwifi 0000:02:00.0: L1 Enabled - LTR Enabled
1572.860658] iwlwifi 0000:02:00.0: loaded firmware version 21.302800.0 op_mode iwlmvm
1572.860674] iwlwifi 0000:02:00.0: Detected Intel(R) Dual Band Wireless AC 8260, REV=0x208
1572.862966] iwlwifi 0000:02:00.0: L1 Enabled - LTR Enabled
1572.863372] iwlwifi 0000:02:00.0: L1 Enabled - LTR Enabled
1572.998263] ieee80211 phy4: Selected rate control algorithm ‘iwl-mvm-rs’
1572.999651] thermal thermal_zone5: failed to read out thermal zone (-5)
1573.015768] iwlwifi 0000:02:00.0: L1 Enabled - LTR Enabled
1573.016257] iwlwifi 0000:02:00.0: L1 Enabled - LTR Enabled
1573.148317] iwlwifi 0000:02:00.0: L1 Enabled - LTR Enabled
1573.148901] iwlwifi 0000:02:00.0: L1 Enabled - LTR Enabled
1576.746803] wlan0: authenticate with 1c:c6:3c:4b:06:2c
1576.758471] wlan0: send auth to 1c:c6:3c:4b:06:2c (try 1/3)
1576.770137] wlan0: authenticated
1576.772032] wlan0: associate with 1c:c6:3c:4b:06:2c (try 1/3)
1576.775921] wlan0: RX AssocResp from 1c:c6:3c:4b:06:2c (capab=0x411 status=0 aid=2)
1576.786710] wlan0: associated
1576.870486] IPv4: martian source from, on dev wlan0
1576.870493] ll header: 00000000: ff ff ff ff ff ff 1c c6 3c 4b 06 2c 08 00 …<K.,…
1577.794029] IPv6: wlan0: IPv6 duplicate address fe80::2a16:adff:fec9:d330 detected!

The network adapter is an

02:00.0 Network controller: Intel Corporation Wireless 8260 (rev 3a)
Subsystem: Intel Corporation Device 0110
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 129
Region 0: Memory at ef100000 (64-bit, non-prefetchable) [size=8]
Capabilities: [c8] Power Management version 3
Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+)
Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
Capabilities: [d0] MSI: Enable+ Count=1/1 Maskable- 64bit+
Address: 00000000fee00318 Data: 0000
Capabilities: [40] Express (v2) Endpoint, MSI 00
DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <512ns, L1 unlimited
ExtTag- AttnBtn- AttnInd- PwrInd- RBE+ FLReset+
DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupported-
RlxdOrd+ ExtTag- PhantFunc- AuxPwr+ NoSnoop+ FLReset-
MaxPayload 128 bytes, MaxReadReq 128 bytes
DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr+ TransPend-
LnkCap: Port #0, Speed 2.5GT/s, Width x1, ASPM L1, Exit Latency L0s <4us, L1 <8us
ClockPM+ Surprise- LLActRep- BwNot-
LnkCtl: ASPM L1 Enabled; RCB 64 bytes Disabled- CommClk+
ExtSynch- ClockPM+ AutWidDis- BWInt- AutBWInt-
LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt-
DevCap2: Completion Timeout: Range B, TimeoutDis+, LTR+, OBFF Via WAKE#
DevCtl2: Completion Timeout: 16ms to 55ms, TimeoutDis-, LTR+, OBFF Disabled
LnkCtl2: Target Link Speed: 2.5GT/s, EnterCompliance- SpeedDis-
Transmit Margin: Normal Operating Range, EnterModifiedCompliance- ComplianceSOS-
Compliance De-emphasis: -6dB
LnkSta2: Current De-emphasis Level: -3.5dB, EqualizationComplete-, EqualizationPhase1-
EqualizationPhase2-, EqualizationPhase3-, LinkEqualizationRequest-
Capabilities: [100 v1] Advanced Error Reporting
UESta: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
UEMsk: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
UESvrt: DLP+ SDES+ TLP- FCP+ CmpltTO- CmpltAbrt- UnxCmplt- RxOF+ MalfTLP+ ECRC- UnsupReq- ACSViol-
CESta: RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr-
CEMsk: RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr+
AERCap: First Error Pointer: 00, GenCap- CGenEn- ChkCap- ChkEn-
Capabilities: [140 v1] Device Serial Number 28-16-ad-ff-ff-c9-d3-30
Capabilities: [14c v1] Latency Tolerance Reporting
Max snoop latency: 3145728ns
Max no snoop latency: 3145728ns
Capabilities: [154 v1] L1 PM Substates
L1SubCap: PCI-PM_L1.2+ PCI-PM_L1.1+ ASPM_L1.2+ ASPM_L1.1+ L1_PM_Substates+
PortCommonModeRestoreTime=30us PortTPowerOnTime=18us
Kernel driver in use: iwlwifi
Kernel modules: iwlwifi

Can you please help to debug / solve this issue[/size]