RTA_VIA support was added in kernel v5.2: https://github.com/torvalds/linux/commit/d15662682db232da77136cd348f4c9df312ca6f9 Our baseline on the kernel is v5.4. Hence, we can assume that the attribute is supported.
RTA_VIA support was added in kernel v5.2: https://github.com/torvalds/linux/commit/d15662682db232da77136cd348f4c9df312ca6f9 Our baseline on the kernel is v5.4. Hence, we can assume that the attribute is supported.