我无法运行 docker ... 那是什么意思。我在（virtuozzo 7 容器）中有一个 VPS centos 7，我正在尝试运行 docker“docker run hello-world”，但是当我尝试 dockerd 时屏幕冻结并变为空白，结果是
# dockerd
INFO[0000] libcontainerd: new containerd process, pid: 2703
WARN[0000] containerd: low RLIMIT_NOFILE changing to max current=1024 max=4096
WARN[0001] failed to rename /var/lib/docker/tmp for background deletion: %!s(<nil>). Deleting synchronously
ERRO[0001] 'overlay' not found as a supported filesystem on this host. Please ensure kernel is new enough and has overlay support loaded.
ERRO[0001] 'overlay' not found as a supported filesystem on this host. Please ensure kernel is new enough and has overlay support loaded.
INFO[0001] Graph migration to content-addressability took 0.00 seconds
WARN[0001] Your kernel does not support oom control
WARN[0001] Your kernel does not support memory swappiness
WARN[0001] Your kernel does not support kernel memory limit
WARN[0001] mountpoint for pids not found
INFO[0001] Loading containers: start.
WARN[0001] Running modprobe nf_nat failed with message: ``, error: exit status 1
WARN[0001] Running modprobe xt_conntrack failed with message: ``, error: exit status 1
WARN[0001] Could not load necessary modules for Conntrack: Running modprobe nf_conntrack failed with message: ``, error: exit status 1
INFO[0001] Removing stale sandbox 088326295ef4709608c127eb1e6a770b8fcfe7988f086c6fb87b292b829051c6 (482232da51cc4160328c53e33b2d755e97d17d72828c792533ec1c6b9f38300b)
INFO[0001] Removing stale endpoint amazing_keller (f795d761e9d6f540a5e5f79e692057c4aa6336bdca99421f828387b4ea2f5ad5)
INFO[0001] Fixing inconsistent endpoint_cnt for network bridge. Expected=0, Actual=1
INFO[0001] Default bridge (docker0) is assigned with an IP address 172.17.0.0/16. Daemon option --bip can be used to set a preferred IP address
INFO[0001] Loading containers: done.
INFO[0001] Daemon has completed initialization
INFO[0001] Docker daemon commit=89658be graphdriver=vfs version=17.05.0-ce
INFO[0001] API listen on /var/run/docker.sock
我的内核是
#uname -a
Linux 3.10.0-042stab126.1 #1 SMP Wed Nov 15 20:14:46 MSK 2017 x86_64 x86_64 x86_64 GNU/Linux
# docker version
Client:
Version: 17.05.0-ce
API version: 1.29
Go version: go1.7.5
Git commit: 89658be
Built: Thu May 4 22:06:25 2017
OS/Arch: linux/amd64
Server:
Version: 17.05.0-ce
API version: 1.29 (minimum version 1.12)
Go version: go1.7.5
Git commit: 89658be
Built: Thu May 4 22:06:25 2017
OS/Arch: linux/amd64
Experimental: false
有人可以帮忙吗？