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-rw-r--r--cloudinit/net/__init__.py7
1 files changed, 5 insertions, 2 deletions
diff --git a/cloudinit/net/__init__.py b/cloudinit/net/__init__.py
index 322af77b..e233149a 100644
--- a/cloudinit/net/__init__.py
+++ b/cloudinit/net/__init__.py
@@ -506,7 +506,9 @@ def apply_network_config_names(netcfg, strict_present=True, strict_busy=True):
try:
_rename_interfaces(extract_physdevs(netcfg))
except RuntimeError as e:
- raise RuntimeError('Failed to apply network config names: %s' % e)
+ raise RuntimeError(
+ 'Failed to apply network config names: %s' % e
+ ) from e
def interface_has_own_mac(ifname, strict=False):
@@ -965,7 +967,8 @@ class EphemeralIPv4Network(object):
self.prefix = mask_to_net_prefix(prefix_or_mask)
except ValueError as e:
raise ValueError(
- 'Cannot setup network: {0}'.format(e))
+ 'Cannot setup network: {0}'.format(e)
+ ) from e
self.connectivity_url = connectivity_url
self.interface = interface