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-rwxr-xr-xsrc/conf_mode/host_name.py5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/conf_mode/host_name.py b/src/conf_mode/host_name.py
index 5055faa65..27cc336d8 100755
--- a/src/conf_mode/host_name.py
+++ b/src/conf_mode/host_name.py
@@ -172,6 +172,11 @@ def generate(config):
dhcp_ns.extend(ns)
sd = [d for d in value if key == 'domains']
dhcp_sd.extend(sd)
+ # Prune duplicate values
+ # Not order preserving, but then when multiple DHCP clients are used,
+ # there can't be guarantees about the order anyway
+ dhcp_ns = list(set(dhcp_ns))
+ dhcp_sd = list(set(dhcp_sd))
if not config['no_dhcp_ns']:
config['nameserver'] += dhcp_ns