Veracrypt support dropped in latest cryptsetup?

Just as somebody found in early 19.07 last year, I failed to open the veracrypt volume using the openwrt 19.07.2. Could somebody take a look? Thanks.

root@R7800:~# cryptsetup --type tcrypt --veracrypt open /dev/sdb1 veraplain
Enter passphrase for /dev/sdb1:
Required kernel crypto interface not available.
Ensure you have algif_skcipher kernel module loaded.
root@R7800:~# lsmod | grep crypto
cryptodev              45056  0 [permanent]
root@R7800:~# lsmod | grep algif_skcipher
af_alg                 20480  2 algif_skcipher,algif_hash
algif_skcipher         16384  0