Confirming that changing the cryptsetup line to: cryptswap1 /swapfile /dev/urandom swap,offset=1024,cipher=aes-xts-plain64 solved the boot time.
Confirming that changing the cryptsetup line to: 1024,cipher= aes-xts- plain64
cryptswap1 /swapfile /dev/urandom swap,offset=
solved the boot time.