backend: add AVP support for pools
backend: add AVP support for pools

fredsod/NIPAP,SpriteLink/NIPAP,SpriteLink/NIPAP,ettrig/NIPAP,fredsod/NIPAP,SoundGoof/NIPAP,plajjan/NIPAP,ettrig/NIPAP,garberg/NIPAP,plajjan/NIPAP,garberg/NIPAP,garberg/NIPAP,bbaja42/NIPAP,ettrig/NIPAP,bbaja42/NIPAP,bbaja42/NIPAP,fredsod/NIPAP,plajjan/NIPAP,garberg/NIPAP,plajjan/NIPAP,SoundGoof/NIPAP,plajjan/NIPAP,garberg/NIPAP,garberg/NIPAP,bbaja42/NIPAP,SoundGoof/NIPAP,fredsod/NIPAP,ettrig/NIPAP,SpriteLink/NIPAP,SpriteLink/NIPAP,bbaja42/NIPAP,bbaja42/NIPAP,fredsod/NIPAP,SoundGoof/NIPAP,fredsod/NIPAP,SoundGoof/NIPAP,ettrig/NIPAP,SpriteLink/NIPAP,plajjan/NIPAP,SoundGoof/NIPAP,SpriteLink/NIPAP,ettrig/NIPAP