@balbes150To make Docker work, the kernel build config file (/boot/config-**) is missing the following:
Can you try to add these configs in the next Armbian build please?
CONFIG_NF_NAT_IPV4=y
CONFIG_NF_NAT_NEEDED=y
CONFIG_POSIX_MQUEUE=y
CONFIG_MEMCG_SWAP_ENABLED=y
CONFIG_BLK_DEV_THROTTLING=y
CONFIG_IOSCHED_CFQ=y
CONFIG_CFQ_GROUP_IOSCHED=y
CONFIG_CGROUP_HUGETLB=y
CONFIG_RT_GROUP_SCHED=y
CONFIG_IP_VS_NFCT=y
CONFIG_IP_VS_PROTO_TCP=y
CONFIG_IP_VS_PROTO_UDP=y
CONFIG_IP_VS_RR=y
CONFIG_EXT3_FS_XATTR=y
CONFIG_EXT3_FS_POSIX_ACL=y
CONFIG_EXT3_FS_SECURITY=y
CONFIG_INET_XFRM_MODE_TRANSPORT=y
CONFIG_AUFS_FS=y
CONFIG_BTRFS_FS_POSIX_ACL=y