Public bug reported:
cloud-init on azure generates netplan yaml that includes dhcp4 with the
dhcp4-overrides of route-metric, i.e.:
dhcp4: true
dhcp4-overrides:
route-metric: 100
however netplan requires the same route-metric for dhcp4 and dhcp6 as
networkd doesn't allow specifying separate metrics for 4 vs 6, so when
azure is setup with dual-stack the netplan yaml is not valid for
netplan, i.e.:
dhcp4: true
dhcp4-overrides:
route-metric: 100
dhcp6: true
which causes netplan to exit with error:
Stderr: ERROR: eth0: networkd requires that route-metric has the same
value in both dhcp4_overrides and dhcp6_overrides
** Affects: cloud-init
Importance: Undecided
Status: New
** Tags: sts
** Tags added: sts
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https://bugs.launchpad.net/bugs/1850308
Title:
cloud-init on azure with dual stack needs to add route-metric for
dhcp6 also
Status in cloud-init:
New
Bug description:
cloud-init on azure generates netplan yaml that includes dhcp4 with
the dhcp4-overrides of route-metric, i.e.:
dhcp4: true
dhcp4-overrides:
route-metric: 100
however netplan requires the same route-metric for dhcp4 and dhcp6 as
networkd doesn't allow specifying separate metrics for 4 vs 6, so when
azure is setup with dual-stack the netplan yaml is not valid for
netplan, i.e.:
dhcp4: true
dhcp4-overrides:
route-metric: 100
dhcp6: true
which causes netplan to exit with error:
Stderr: ERROR: eth0: networkd requires that route-metric has the same
value in both dhcp4_overrides and dhcp6_overrides
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