4.3 build error under ubuntu 18.04

dotnet restore NopCommerce.sln
cd ./Presentation/Nop.Web
dotnet build Nop.Web.csproj -c Release -o ~/app --runtime ubuntu.18.04-x64

  Restore completed in 4.62 sec for /nopCommerce430/Presentation/Nop.Web/Nop.Web.csproj.
/nopCommerce430/Libraries/Nop.Data/Nop.Data.csproj : error NU1605: Detected package downgrade: System.Net.NameResolution from 4.3.0 to 4.0.0. Reference the package directly from the project to select a different version.  [/nopCommerce430/Presentation/Nop.Web/Nop.Web.csproj]
/nopCommerce430/Libraries/Nop.Data/Nop.Data.csproj : error NU1605:  Nop.Data -> MySql.Data 8.0.20 -> SSH.NET 2016.1.0 -> System.Net.Sockets 4.1.0 -> runtime.unix.System.Net.Sockets 4.3.0 -> System.Net.NameResolution (>= 4.3.0)  [/nopCommerce430/Presentation/Nop.Web/Nop.Web.csproj]
/nopCommerce430/Libraries/Nop.Data/Nop.Data.csproj : error NU1605:  Nop.Data -> MySql.Data 8.0.20 -> SSH.NET 2016.1.0 -> System.Net.NameResolution (>= 4.0.0) [/nopCommerce430/Presentation/Nop.Web/Nop.Web.csproj]
  Restore failed in 1.74 sec for /nopCommerce430/Libraries/Nop.Data/Nop.Data.csproj.
  Restore completed in 2.24 sec for /nopCommerce430/Presentation/Nop.Web.Framework/Nop.Web.Framework.csproj.
  Restore completed in 1.34 sec for /nopCommerce430/Libraries/Nop.Core/Nop.Core.csproj.

Build FAILED.

/nopCommerce430/Libraries/Nop.Data/Nop.Data.csproj : error NU1605: Detected package downgrade: System.Net.NameResolution from 4.3.0 to 4.0.0. Reference the package directly from the project to select a different version.  [/nopCommerce430/Presentation/Nop.Web/Nop.Web.csproj]
/nopCommerce430/Libraries/Nop.Data/Nop.Data.csproj : error NU1605:  Nop.Data -> MySql.Data 8.0.20 -> SSH.NET 2016.1.0 -> System.Net.Sockets 4.1.0 -> runtime.unix.System.Net.Sockets 4.3.0 -> System.Net.NameResolution (>= 4.3.0)  [/nopCommerce430/Presentation/Nop.Web/Nop.Web.csproj]
/nopCommerce430/Libraries/Nop.Data/Nop.Data.csproj : error NU1605:  Nop.Data -> MySql.Data 8.0.20 -> SSH.NET 2016.1.0 -> System.Net.NameResolution (>= 4.0.0) [/nopCommerce430/Presentation/Nop.Web/Nop.Web.csproj]
    0 Warning(s)
    1 Error(s)

I have the same problem,
any help here please?

I personally suppress the warning by modifying Nop.Data.csproj file:

 <PackageReference Include="MySql.Data" Version="8.0.20" >
      <NoWarn>NU1605</NoWarn>
    </PackageReference>

It helps me to successfully publish the code, but didn't check whether it hampers working with MySql.