I been playing this for a while, recently its starting to become more apparent that the each warp my ram usage goes up and the game takes longer to load in a map.
45.513 Warning Commander.cpp:211: Enemy entities with auto place controls 'enemy-base' on surface 'nauvis' have different collision masks. Enemy expansions may not work properly. Entities: abandonment-laser-turret-behemoth, abandonment-laser-turret-big, abandonment-laser-turret-medium, abandonment-laser-turret-small, wdm-red-concrete-buffed-abandonment-laser-turret-behemoth, wdm-red-concrete-buffed-abandonment-laser-turret-big, wdm-red-concrete-buffed-abandonment-laser-turret-medium, wdm-red-concrete-buffed-abandonment-laser-turret-small, abandonment-mortar-turret1, abandonment-mortar-turret2, armoured-biter-spawner, small-worm-turret, medium-worm-turret, big-worm-turret, behemoth-worm-turret, biter-spawner-1, biter-spawner-2, biter-spawner-3, biter-spawner-4, biter-spawner-5, blaster-spawner-1, blaster-spawner-2, blaster-spawner-3, blaster-spawner-4, blaster-spawner-5, flamer-spawner-1, flamer-spawner-2, flamer-spawner-3, flamer-spawner-4, flamer-spawner-5, hatcher-spawner-1, hatcher-spawner-2, hatcher-spawner-3, hatcher-spawner-4, hatcher-spawner-5, spitter-spawner-1, spitter-spawner-2, spitter-spawner-3, spitter-spawner-4, spitter-spawner-5, stinger-spawner-1, stinger-spawner-2, stinger-spawner-3, stinger-spawner-4, stinger-spawner-5, swarmer-spawner-1, swarmer-spawner-2, swarmer-spawner-3, swarmer-spawner-4, swarmer-spawner-5, tanker-spawner-1, tanker-spawner-2, tanker-spawner-3, tanker-spawner-4, tanker-spawner-5, webber-spawner-1, webber-spawner-2, webber-spawner-3, webber-spawner-4, webber-spawner-5, abandonment-abandonment-package-advanced-circuit-1-2, abandonment-abandonment-package-advanced-circuit-1-5, abandonment-abandonment-package-aluminium-plate-1-3, abandonment-abandonment-package-aluminium-plate-1-5, abandonment-abandonment-package-automation-science-pack-1-1, abandonment-abandonment-package-automation-science-pack-1-3, abandonment-abandonment-package-bio-science-pack-1-3, abandonment-abandonment-package-bio-science-pack-1-6, abandonment-abandonment-package-bio-science-pack-1-8, abandonment-abandonment-package-chemical-science-pack-1-3, abandonment-abandonment-package-chemical-science-pack-1-6, abandonment-abandonment-package-cliff-explosives-1-3, abandonment-abandonment-package-cliff-explosives-1-6, abandonment-abandonment-package-concrete-1-3, abandonment-abandonment-package-concrete-1-7, abandonment-abandonment-package-copper-plate-1-1, abandonment-abandonment-package-copper-plate-1-2, abandonment-abandonment-package-cpu-item-1-10, abandonment-abandonment-package-cpu-item-1-5, abandonment-abandonment-package-depleted-shotgun-shell-1-7, abandonment-abandonment-package-electronic-circuit-1-1, abandonment-abandonment-package-electronic-circuit-1-3, abandonment-abandonment-package-explosive-rocket-1-7, abandonment-abandonment-package-explosive-rounds-magazine-1-3, abandonment-abandonment-package-explosive-shotgun-shell-1-3, abandonment-abandonment-package-firearm-magazine-1-1, abandonment-abandonment-

There more of it, this is just a part of the log I found, for each warp into a planet it creates this.