Flint
the route have config:
10.148.19.2 * 255.255.255.255 UH 80 0 0 wg1
it is ok, in the Flint subnet, can you ping 10.148.19.2 ?
Shadow
the subnet is 192.168.2.XX, and the route config:
192.168.2.0 * 255.255.255.0 U 0 0 0 br-lan
it is ok.
int the Flint subnet, can you ping 192.168.2.1 ?
can step by step, ping the “wg1” network interface, ping the route lan gateway, ping the subnet ip