>>> Emerging : portage://sys-kernel/linux-headers-5.15-r3:run?{[]}

These are the packages that would be merged, in order:

Calculating dependencies... done!

 └─step  1─┤ download  portage://sys-kernel/linux-headers-5.15-r3
             │           └─ file ─┤ 1.46 Kb  	 gentoo-headers-5.15-1.tar.xz
             │                    │ 116.27 Mb  	 linux-5.15.tar.xz

 └─step  2─┤ downgrade portage://sys-kernel/linux-headers-5.15-r3 (replaces pkg://sys-kernel/linux-headers-6.19)
             │           └─ conf ─┤ USE = "-headers-only"

 └─step  3─┤ run     portage://sys-kernel/linux-headers-5.15-r3

Total: 3 actions (1 download, 1 downgrade, 1 run), grouped into 3 steps.
       116.27 Mb to be downloaded.