Use route replace netlink op instead of delete+add netlink ops for kernel IPv4 route replace. This avoids some packetloss during route replace. Still use the old behavior for IPv6, as some kernel bugs are hidden in IPv6 ECMP handling.
Use route replace netlink op instead of delete+add netlink ops for kernel IPv4 route replace. This avoids some packetloss during route replace. Still use the old behavior for IPv6, as some kernel bugs are hidden in IPv6 ECMP handling.