We verified we see this "Cosmetic" input error issue on two 10GbE ports. One is a dot1q trunk & the other is a QnQ a trunk on an ASR1002HX running 16.03.03. In the Lab we tested 16.03.06 and we don't see this issue generating traffic with JDSU's on each end, sending 1526 byte frames.
Cisco IOS XE Software, Version 16.03.03
Cisco IOS Software [Denali], ASR1000 Software (X86_64_LINUX_IOSD-UNIVERSALK9-M), Version 16.3.3, RELEASE SOFTWARE (fc3)
