MT7621 hw flow offload crash
Device with MT7621 (RT-AC57U) crashes after some time with "FLOWOFFLOAD hw" rule in iptables.
CPU 1 Unable to handle kernel paging request at virtual address 008c5c40, epc == 87130390, ra == 871303b8 ... Call Trace: [<871308e4>] flow_offload_lookup+0x1a8/0x5b8 [nf_flow_table]
Full crashlog is attached.