In the Device support section of the changelog, at one point, I find this:
mvebu: Disable devices using broken mv88e6176 switch. This affects the following devices:
CZ.NIC Turris Omnia
Linksys WRT1200AC
Linksys WRT1900ACS
Linksys WRT1900AC v1
Linksys WRT1900AC v2
Linksys WRT3200ACM
Linksys WRT32X
Linksys WRT3200ACM
SolidRun ClearFog Pro