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no network connectivity with wireguard interface on a separate interface

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Hi, I created the wireguard interface and applied the configuration on the init namespace. I then moved it to a "container" namespace with

ip link set wg0 netns container
ip -n container link set wg0 up
I then add an ip to it, and add the default route on my container namespace to be on wg0, but i have no network connectivity. Looking at wireshark, it seems the packets can get out, but cannot come back.
here is some additional info:
gnuwu@anonynowo ~ $ sudo ip -n container a
Password: 
1: lo: <LOOPBACK> mtu 65536 qdisc noop state DOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: sit0@NONE: <NOARP> mtu 1480 qdisc noop state DOWN group default qlen 1000
    link/sit 0.0.0.0 brd 0.0.0.0
9: wg0: <POINTOPOINT,NOARP,UP,LOWER_UP> mtu 1420 qdisc noqueue state UNKNOWN group default qlen 1000
    link/none 
    inet 172.16.0.2/32 scope global wg0
       valid_lft forever preferred_lft forever
gnuwu@anonynowo ~ $ sudo ip -n container l
1: lo: <LOOPBACK> mtu 65536 qdisc noop state DOWN mode DEFAULT group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: sit0@NONE: <NOARP> mtu 1480 qdisc noop state DOWN mode DEFAULT group default qlen 1000
    link/sit 0.0.0.0 brd 0.0.0.0
9: wg0: <POINTOPOINT,NOARP,UP,LOWER_UP> mtu 1420 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000
    link/none 
gnuwu@anonynowo ~ $ sudo ip netns exec container wg show
interface: wg0
  public key: (hidden)
  private key: (hidden)
  listening port: 40816

peer: (hidden)
  preshared key: (hidden)
  endpoint: 213.152.161.236:1637
  allowed ips: 0.0.0.0/0, ::/0
  latest handshake: 59 seconds ago
  transfer: 3.76 KiB received, 71.90 KiB sent
  persistent keepalive: every 15 seconds
gnuwu@anonynowo ~ $ sudo ip -n container r
default dev wg0 scope link 
gnuwu@anonynowo ~ $ sudo ip netns exec container ping -c 4 1.1.1.1
PING 1.1.1.1 (1.1.1.1) 56(84) bytes of data.

--- 1.1.1.1 ping statistics ---
4 packets transmitted, 0 received, 100% packet loss, time 3068ms

 

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