On Tue, 3 Apr 2018, 20:11 Richard Ryniker, <ryniker@alum.mit.edu> wrote:
I can manually configure my Raspberry Pi model 3B-plus on-board wired
Ethernet port to operate.  It is indeed only DHCP configuration that
fails, but only with the on-board device; DHCP configuration of a USB
wired Ethernet port works fine.

Have you tried the 4.16.0-300 kernel that's in (or on it's way) to updates-testing?