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-rw-r--r--cloudinit/net/sysconfig.py10
1 files changed, 8 insertions, 2 deletions
diff --git a/cloudinit/net/sysconfig.py b/cloudinit/net/sysconfig.py
index 39d89c46..3d719238 100644
--- a/cloudinit/net/sysconfig.py
+++ b/cloudinit/net/sysconfig.py
@@ -287,7 +287,6 @@ class Renderer(renderer.Renderer):
if subnet_type == 'dhcp6':
iface_cfg['IPV6INIT'] = True
iface_cfg['DHCPV6C'] = True
- iface_cfg['BOOTPROTO'] = 'dhcp'
elif subnet_type in ['dhcp4', 'dhcp']:
iface_cfg['BOOTPROTO'] = 'dhcp'
elif subnet_type == 'static':
@@ -305,6 +304,13 @@ class Renderer(renderer.Renderer):
mtu_key = 'IPV6_MTU'
iface_cfg['IPV6INIT'] = True
if 'mtu' in subnet:
+ mtu_mismatch = bool(mtu_key in iface_cfg and
+ subnet['mtu'] != iface_cfg[mtu_key])
+ if mtu_mismatch:
+ LOG.warning(
+ 'Network config: ignoring %s device-level mtu:%s'
+ ' because ipv4 subnet-level mtu:%s provided.',
+ iface_cfg.name, iface_cfg[mtu_key], subnet['mtu'])
iface_cfg[mtu_key] = subnet['mtu']
elif subnet_type == 'manual':
# If the subnet has an MTU setting, then ONBOOT=True
@@ -364,7 +370,7 @@ class Renderer(renderer.Renderer):
@classmethod
def _render_subnet_routes(cls, iface_cfg, route_cfg, subnets):
- for i, subnet in enumerate(subnets, start=len(iface_cfg.children)):
+ for _, subnet in enumerate(subnets, start=len(iface_cfg.children)):
for route in subnet.get('routes', []):
is_ipv6 = subnet.get('ipv6') or is_ipv6_addr(route['gateway'])