Implement DHCPv4 default callbacks
This implements common callbacks to manage interface IPs and
routes in the kernel from DHCPv4.
Test Plan: New integration tests against our kernel via ktest.
X-Origin-Diff: phab/D657
GitOrigin-RevId: 3c39dddbd0e4151e6e902de150243296e6e459b4
diff --git a/third_party/linux/linux-smalltown.config b/third_party/linux/linux-smalltown.config
index a608bbd..df38412 100644
--- a/third_party/linux/linux-smalltown.config
+++ b/third_party/linux/linux-smalltown.config
@@ -1483,7 +1483,7 @@
CONFIG_NETDEVICES=y
CONFIG_NET_CORE=y
# CONFIG_BONDING is not set
-# CONFIG_DUMMY is not set
+CONFIG_DUMMY=y
CONFIG_WIREGUARD=y
# CONFIG_WIREGUARD_DEBUG is not set
# CONFIG_EQUALIZER is not set