BPI-R2 kernel log during bluepy scan

[ 3514.620563] # mtk_bt_hci_send
[ 3514.623566] # mtk_bt_hci_work
[ 3514.626514] >>
[ 3514.626518] 01
[ 3514.628337] 0c
[ 3514.630087] 20
[ 3514.631826] 02
[ 3514.633562] 00
[ 3514.635299] 00

[ 3514.640415] [WMT-PLAT][D]wmt_plat_eirq_ctrl:WMT-PLAT:BGFInt (dis)
[ 3514.647004] [WMT-PLAT][D]wmt_plat_eirq_ctrl:WMT-PLAT:BGFInt (en)
[ 3514.653140] # mtk_bt_hci_receive
[ 3514.656372] <<
[ 3514.656377] 04
[ 3514.658158] 0e
[ 3514.659904] 04
[ 3514.661642] 01
[ 3514.663377] 0c
[ 3514.665113] 20
[ 3514.666849] 00

[ 3514.671929] # mtk_bt_hci_receive
[ 3514.675161] <<
[ 3514.675172] 04
[ 3514.676921] 0e
[ 3514.678748] 04
[ 3514.680499] 01
[ 3514.682362] 0c
[ 3514.684120] 20
[ 3514.685864] 00

[ 3565.540261] # mtk_bt_hci_send
[ 3565.543269] # mtk_bt_hci_work
[ 3565.546217] >>
[ 3565.546222] 01
[ 3565.548032] 05
[ 3565.549783] 20
[ 3565.551522] 06
[ 3565.553257] 72
[ 3565.554993] 4d
[ 3565.556729] b8
[ 3565.558500] b0
[ 3565.560251] 76
[ 3565.561989] 0c

[ 3565.567036] [WMT-PLAT][D]wmt_plat_eirq_ctrl:WMT-PLAT:BGFInt (dis)
[ 3565.573940] [WMT-PLAT][D]wmt_plat_eirq_ctrl:WMT-PLAT:BGFInt (en)
[ 3565.580094] # mtk_bt_hci_receive
[ 3565.583341] <<
[ 3565.583347] 04
[ 3565.585087] 0e
[ 3565.586823] 04
[ 3565.588604] 01
[ 3565.590355] 05
[ 3565.592093] 20
[ 3565.593829] 00

[ 3565.598932] # mtk_bt_hci_send
[ 3565.601920] # mtk_bt_hci_work
[ 3565.604868] >>
[ 3565.604872] 01
[ 3565.606609] 0b
[ 3565.608425] 20
[ 3565.610171] 07
[ 3565.611908] 01
[ 3565.613644] 12
[ 3565.615380] 00
[ 3565.617115] 12
[ 3565.618892] 00
[ 3565.620637] 01
[ 3565.622375] 00

[ 3565.627447] [WMT-PLAT][D]wmt_plat_eirq_ctrl:WMT-PLAT:BGFInt (dis)
[ 3565.634112] [WMT-PLAT][D]wmt_plat_eirq_ctrl:WMT-PLAT:BGFInt (en)
[ 3565.640236] # mtk_bt_hci_receive
[ 3565.643465] <<
[ 3565.643470] 04
[ 3565.645207] 0e
[ 3565.646944] 04
[ 3565.648718] 01
[ 3565.650467] 0b
[ 3565.652205] 20
[ 3565.653940] 00

[ 3565.659027] # mtk_bt_hci_send
[ 3565.662022] # mtk_bt_hci_work
[ 3565.664970] >>
[ 3565.664973] 01
[ 3565.666710] 0c
[ 3565.668551] 20
[ 3565.670295] 02
[ 3565.672031] 01
[ 3565.673766] 01

[ 3565.678858] [WMT-PLAT][D]wmt_plat_eirq_ctrl:WMT-PLAT:BGFInt (dis)
[ 3565.685417] [WMT-PLAT][D]wmt_plat_eirq_ctrl:WMT-PLAT:BGFInt (en)
[ 3565.691573] # mtk_bt_hci_receive
[ 3565.694812] <<
[ 3565.694817] 04
[ 3565.696556] 0e
[ 3565.698334] 04
[ 3565.700077] 01
[ 3565.701814] 0c
[ 3565.703550] 20
[ 3565.705286] 00

[ 3575.721986] # mtk_bt_hci_send
[ 3575.724992] # mtk_bt_hci_work
[ 3575.728024] >>
[ 3575.728030] 01
[ 3575.729779] 0c
[ 3575.731518] 20
[ 3575.733254] 02
[ 3575.734990] 00
[ 3575.736726] 00

[ 3575.741860] [WMT-PLAT][D]wmt_plat_eirq_ctrl:WMT-PLAT:BGFInt (dis)
[ 3575.748528] [WMT-PLAT][D]wmt_plat_eirq_ctrl:WMT-PLAT:BGFInt (en)
[ 3575.754565] # mtk_bt_hci_receive
[ 3575.757855] <<
[ 3575.757861] 04
[ 3575.759607] 0e
[ 3575.761346] 04
[ 3575.763082] 01
[ 3575.764817] 0c
[ 3575.766554] 20
[ 3575.768352] 00

[ 3575.773385] # mtk_bt_hci_receive
[ 3575.776617] <<
[ 3575.776630] 04
[ 3575.778490] 0e
[ 3575.780255] 04
[ 3575.782000] 01
[ 3575.783742] 0c
[ 3575.785484] 20
[ 3575.787301] 00