kali on WSL2 fail to set up an openvpn connection

Question

The console output is as follow:

2022-07-06 00:47:58 WARNING: Compression for receiving enabled. Compression has been used in the past to break encryption. Sent packets are not compressed unless "allow-compression yes" is also set.
2022-07-06 00:47:58 DEPRECATED OPTION: --cipher set to 'AES-128-CBC' but missing in --data-ciphers (AES-256-GCM:AES-128-GCM:CHACHA20-POLY1305). OpenVPN ignores --cipher for cipher negotiations.
2022-07-06 00:47:58 Cannot find ovpn_dco netlink component: Object not found
2022-07-06 00:47:58 Note: Kernel support for ovpn-dco missing, disabling data channel offload.
2022-07-06 00:47:58 OpenVPN 2.6_git x86_64-pc-linux-gnu [SSL (OpenSSL)] [LZO] [LZ4] [EPOLL] [PKCS11] [MH/PKTINFO] [AEAD] [DCO] built on May 30 2022
2022-07-06 00:47:58 library versions: OpenSSL 3.0.3 3 May 2022, LZO 2.10
2022-07-06 00:47:58 Outgoing Control Channel Authentication: Using 256 bit message hash 'SHA2-256' for HMAC authentication
2022-07-06 00:47:58 Incoming Control Channel Authentication: Using 256 bit message hash 'SHA2-256' for HMAC authentication
2022-07-06 00:47:58 TCP/UDP: Preserving recently used remote address: [AF_INET]173.208.98.30:1337
2022-07-06 00:47:58 Socket Buffers: R=[212992->212992] S=[212992->212992]
2022-07-06 00:47:58 Note: enable extended error passing on TCP/UDP socket failed (IPV6_RECVERR): Protocol not available (errno=92)
2022-07-06 00:47:58 UDP link local: (not bound)
2022-07-06 00:47:58 UDP link remote: [AF_INET]173.208.98.30:1337
2022-07-06 00:47:58 TLS: Initial packet from [AF_INET]173.208.98.30:1337, sid=7bfd886f cc358685
2022-07-06 00:48:01 VERIFY ERROR: depth=0, error=CA signature digest algorithm too weak: C=UK, ST=City, L=London, O=HackTheBox, CN=htb, name=htb, emailAddress=******@hackthebox.eu, serial=1
2022-07-06 00:48:01 OpenSSL: error:0A000086:SSL routines::certificate verify failed
2022-07-06 00:48:01 TLS_ERROR: BIO read tls_read_plaintext error
2022-07-06 00:48:01 TLS Error: TLS object -> incoming plaintext read error
2022-07-06 00:48:01 TLS Error: TLS handshake failed
2022-07-06 00:48:01 SIGUSR1[soft,tls-error] received, process restarting
2022-07-06 00:48:01 Restart pause, 5 second(s)
^C2022-07-06 00:48:02 SIGINT[hard,init_instance] received, process exiting