Comment 3 for bug 1790020

Only files and any mention of such paths are as follows in /etc/ld.so.conf.d:

10-amdgpu-pro.conf:/opt/amdgpu-pro/lib/x86_64-linux-gnu

20-amdgpu.conf:/opt/amdgpu/lib/x86_64-linux-gnu

fakeroot-x86_64-linux-gnu.conf:/usr/lib/x86_64-linux-gnu/libfakeroot

x86_64-linux-gnu.conf:/lib/x86_64-linux-gnu |
                                                    | < Error occurs cause of this file
x86_64-linux-gnu.conf:/usr/lib/x86_64-linux-gnu |

x86_64-linux-gnu_EGL.conf:/usr/lib/x86_64-linux-gnu/mesa-egl

x86_64-linux-gnu_GL.conf:/usr/lib/x86_64-linux-gnu/mesa

You're not seeing the error because you didn't run the command as:

# ldconfig -v

I just ran it and the error is back again since there has been a recent update to libc6:

demon@UbuntuHP:/etc/ld.so.conf.d$ sudo ldconfig -v
/sbin/ldconfig.real: Path `/lib/x86_64-linux-gnu' given more than once
/sbin/ldconfig.real: Path `/usr/lib/x86_64-linux-gnu' given more than once
[..]

After deleting/renaming the afflicted file(s): /etc/ld.so.conf.d/x86_64-linux-gnu.conf

The error disappears, and the directory is still indexed as normal that is in that .conf