diff --git a/config-4.19.y-x86_64 b/config-4.19.y-x86_64
index b3f376c3a67307beaec6ce2b9017f3b3ff78c0f7..1529539965f069b343ae94ad8ab932b867e539f0 100644
--- a/config-4.19.y-x86_64
+++ b/config-4.19.y-x86_64
@@ -1820,7 +1820,7 @@ CONFIG_NET_CORE=y
 CONFIG_DUMMY=m
 # CONFIG_EQUALIZER is not set
 # CONFIG_NET_FC is not set
-# CONFIG_IFB is not set
+CONFIG_IFB=m
 # CONFIG_NET_TEAM is not set
 CONFIG_MACVLAN=y
 CONFIG_MACVTAP=y
diff --git a/config-4.19.y-x86_64-debug b/config-4.19.y-x86_64-debug
index df4ea9c769bf7b8c22d3cf3ca7cbb9c79230136b..2fa05198f3bfd8d0f436ea0e4a8b4c4f11b4a707 100644
--- a/config-4.19.y-x86_64-debug
+++ b/config-4.19.y-x86_64-debug
@@ -1819,7 +1819,7 @@ CONFIG_NET_CORE=y
 CONFIG_DUMMY=m
 # CONFIG_EQUALIZER is not set
 # CONFIG_NET_FC is not set
-# CONFIG_IFB is not set
+CONFIG_IFB=m
 # CONFIG_NET_TEAM is not set
 CONFIG_MACVLAN=y
 CONFIG_MACVTAP=y