It did not help me. Problem exactly in AutoCAD 2017, because of the same file saved from AutoCAD 2016, dxf has a lines:
Spoiler (Resaltar para leer) 2_ДОР_БЕЗ_ПОКР_ЛИН 10 2103158.2846012120135128 20 424906.5323526146821678 30 0.0 40 10.0 1 2,5 11 2103158.2846012120135128 21 424911.5323526146821678 31 0.0 73 2 0 TEXT 5 67D4 8 2_ДОР_БЕЗ_ПОКР_ЛИН 10 2103102.6032763649709523 20 424915.0975127217243426 30 0.0 40 10.0 1 2,5 11 2103102.6032763649709523 21 424920.0975127217243426 31 0.0 73 2 0 ENDSEC 0 EOF
2_ДОР_БЕЗ_ПОКР_ЛИН102103158.284601212013512820424906.5323526146821678300.04010.012,5112103158.284601212013512821424911.5323526146821678310.07320TEXT567D482_ДОР_БЕЗ_ПОКР_ЛИН102103102.603276364970952320424915.0975127217243426300.04010.012,5112103102.603276364970952321424920.0975127217243426310.07320ENDSEC0EOF
from AutoCAD 2017, dxf has a lines:
Spoiler (Resaltar para leer) 2_„Ћђ_Ѓ…‡_ЏЋЉђ_‹€Ќ 10 2103158.2846012120135128 20 424906.5323526146821678 30 0.0 40 10.0 1 2,5 11 2103158.2846012120135128 21 424911.5323526146821678 31 0.0 73 2 0 TEXT 5 67D4 8 2_„Ћђ_Ѓ…‡_ЏЋЉђ_‹€Ќ 10 2103102.6032763649709523 20 424915.0975127217243426 30 0.0 40 10.0 1 2,5 11 2103102.6032763649709523 21 424920.0975127217243426 31 0.0 73 2 0 ENDSEC 0 EOF
2_„Ћђ_Ѓ…‡_ЏЋЉђ_‹€Ќ102103158.284601212013512820424906.5323526146821678300.04010.012,5112103158.284601212013512821424911.5323526146821678310.07320TEXT567D482_„Ћђ_Ѓ…‡_ЏЋЉђ_‹€Ќ102103102.603276364970952320424915.0975127217243426300.04010.012,5112103102.603276364970952321424920.0975127217243426310.07320ENDSEC0EOF
I have OS X El Capitan 10.11.6 with Russian preferred language.