Add ek and lorenzo to OWNERS for system/core netlink code.

Test: builds
Change-Id: I3f3ffaf45b683a5f757d83f751a8adb8bb2e0daf
diff --git a/OWNERS b/OWNERS
index 682a067..1d319af 100644
--- a/OWNERS
+++ b/OWNERS
@@ -1 +1,5 @@
 enh@google.com
+per-file libsysutils/src/Netlink* = ek@google.com
+per-file libsysutils/src/Netlink* = lorenzo@google.com
+per-file libsysutils/include/sysutils/Netlink* = ek@google.com
+per-file libsysutils/include/sysutils/Netlink* = lorenzo@google.com