So I ended up with D-link dsl-2888a which uses Triductor vspm340 (as I believe) line is stable with these stats:
xdsl_cli info --status
Mode: Vdsl2_ANNEX_B
State: Showtime
Power state: 1
Data path: Interleaved
Downstream max rate: 142704
Upstream max rate: 35621
Downstream current rate: 35999
Upstream current rate: 4015
Downstream power: 144
Upstream power: 5
Downstream attenuation: 32
Upstream attenuation: 5
Downstream SignalAttn: 1023
Upstream SignalAttn: 1023
Downstream SNR margin: 288
Upstream SNR margin: 392
Downstream line coding: 1
Upstream line coding: 1
UpBokle: 43
Downstream Trellis: 1
Upstream Trellis: 1
Downstream Actual SNRMode: 1
Upstream Actual SNRMode: 1
ActualCE: 5
Downstream SNRMpb: -153.6,921.7,1049.7,25.4,25.4
Upstream SNRMpb: 25.4,-2867.1,-3199.9,25.4,0.0
TotalStart: 3454
STStart: 3418
AturVendor: 54524944
AturCountry: b500
AtucVendor: 48495349
AtucCountry: 3412
DownstreamInterleaveDepth: 1799
UpstreamInterleaveDepth: 41
Profile: 17a
Upstream INP: 0.00
Downstream INP: 0.00
Upstream Interleave Delay: 5
Downstream Interleave Delay: 12
Downstream Data Path: Interleaved
Upstream Data Path: Interleaved
xdsl_cli info --stats
Total time = 50 min 11 sec
FEC: 0 0
CRC: 0 0
ES: 0 0
SES: 0 0
UAS: 35 35
LOS: 0 0
LOF: 0 0
Latest 15 minutes time = 5 min 11 sec
FEC: 0 0
CRC: 0 0
ES: 0 0
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
Previous 15 minutes time = 15 min 0 sec
FEC: 0 0
CRC: 0 0
ES: 0 0
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
Latest 1 day time = 50 min 11 sec
FEC: 0 0
CRC: 0 0
ES: 0 0
SES: 0 0
UAS: 35 35
LOS: 0 0
LOF: 0 0
Previous 1 day time = 24 hours 0 sec
FEC: 0 0
CRC: 0 0
ES: 0 0
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
Since Link time = 49 min 35 sec
FEC: 0 0
CRC: 0 0
ES: 0 0
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
with *Total time = 50 min 11 sec
UAS 35 35
it is just before the line sync. every time it shows 35 but since link time is 0, I believe things are stable though I will try faster plan and see how things go..