nixos/dhcpcd: Don't configure sit devices

1 files changed, 3 insertions, 2 deletions

diff --git a/nixos/modules/services/networking/dhcpcd.nix b/nixos/modules/services/networking/dhcpcd.nix
index 5a353fc0942..866707c3a91 100644
--- a/nixos/modules/services/networking/dhcpcd.nix
+++ b/nixos/modules/services/networking/dhcpcd.nix
@@ -7,9 +7,10 @@ let
   dhcpcd = if !config.boot.isContainer then pkgs.dhcpcd else pkgs.dhcpcd.override { udev = null; };
 
   # Don't start dhcpcd on explicitly configured interfaces or on
-  # interfaces that are part of a bridge.
+  # interfaces that are part of a bridge, bond or sit device.
   ignoredInterfaces =
     map (i: i.name) (filter (i: i.ipAddress != null) (attrValues config.networking.interfaces))
+    ++ mapAttrsToList (i: _: i) config.networking.sits
     ++ concatLists (attrValues (mapAttrs (n: v: v.interfaces) config.networking.bridges))
     ++ concatLists (attrValues (mapAttrs (n: v: v.interfaces) config.networking.bonds))
     ++ config.networking.dhcpcd.denyInterfaces;
@@ -35,7 +36,7 @@ let
       # Ignore peth* devices; on Xen, they're renamed physical
       # Ethernet cards used for bridging.  Likewise for vif* and tap*
       # (Xen) and virbr* and vnet* (libvirt).
-      denyinterfaces ${toString ignoredInterfaces} lo peth* vif* tap* tun* virbr* vnet* vboxnet*
+      denyinterfaces ${toString ignoredInterfaces} lo peth* vif* tap* tun* virbr* vnet* vboxnet* sit*
 
       ${config.networking.dhcpcd.extraConfig}
     '';