lxc-alpine: mount /dev/shm as tmpfs
lxc-alpine: mount /dev/shm as tmpfs

Signed-off-by: Jakub Jirutka <1d3764b91b902f6b45836e2498da81fe35caf6d6@jirutka.cz>

aeris/lxc,cjwatson/lxc,ss1h2a3tw/lxc,federicobriata/lxc,caglar10ur/lxc,caglar10ur/lxc,ysbnim/lxc,ss1h2a3tw/lxc,GreatFruitOmsk/lxc,GreatFruitOmsk/lxc,LynxChaus/lxc,hfuCN/lxc,ss1h2a3tw/lxc,terceiro/lxc,hallyn/lxc,hfuCN/lxc,ysbnim/lxc,aeris/lxc,terceiro/lxc,LynxChaus/lxc,hallyn/lxc,thmo/lxc,federicobriata/lxc,hfuCN/lxc,LynxChaus/lxc,caglar10ur/lxc,terceiro/lxc,thmo/lxc,GreatFruitOmsk/lxc,federicobriata/lxc,thmo/lxc,cjwatson/lxc,cjwatson/lxc,aeris/lxc,ysbnim/lxc,hallyn/lxc