Comment 0 for bug 1846232

From https://jenkins.ubuntu.com/server/job/curtin-vmtest-devel-amd64/916/console:

======================================================================
FAIL: test_ip_output (vmtests.test_network_vlan.EoanTestNetworkVlan)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/var/lib/jenkins/servers/server/workspace/curtin-vmtest-devel-amd64/curtin-916/tests/vmtests/test_network.py", line 311, in test_ip_output
    routes)
  File "/var/lib/jenkins/servers/server/workspace/curtin-vmtest-devel-amd64/curtin-916/tests/vmtests/test_network.py", line 337, in check_interface
    int(ipcfg[key]))
AssertionError: 1500 != 1504
-------------------- >> begin captured stdout << ---------------------
parsed ip_a dict:
interface0:
    broadcast: 10.245.175.255
    group: default
    inet4:
    - address: 10.245.168.16
        prefixlen: '21'
        scope: global
        valid_lft: forever
    inet6:
    - address: fec0::d6be:d9ff:fea8:4913
        prefixlen: '64'
        scope: site
        valid_lft: 86256sec
    - address: fe80::d6be:d9ff:fea8:4913
        prefixlen: '64'
        scope: link
        valid_lft: forever
    interface: interface0
    loopback: false
    lower_up: false
    mac_address: d4:be:d9:a8:49:13
    mtu: '1500'
    multicast: false
    qdisc: fq_codel
    qlen: '1000'
    running: false
    state: UP
    up: false
interface1:
    broadcast: 10.245.188.255
    group: default
    inet4:
    - address: 10.245.188.2
        prefixlen: '24'
        scope: global
        valid_lft: forever
    inet6:
    - address: fec0::d6be:d9ff:fea8:4915
        prefixlen: '64'
        scope: site
        valid_lft: 86256sec
    - address: fe80::d6be:d9ff:fea8:4915
        prefixlen: '64'
        scope: link
        valid_lft: forever
    interface: interface1
    loopback: false
    lower_up: false
    mac_address: d4:be:d9:a8:49:15
    mtu: '1504'
    multicast: false
    qdisc: fq_codel
    qlen: '1000'
    running: false
    state: UP
    up: false
interface1.2667:
    broadcast: 10.245.184.255
    group: default
    inet4:
    - address: 10.245.184.2
        prefixlen: '24'
        scope: global
        valid_lft: forever
    inet6:
    - address: fe80::d6be:d9ff:fea8:4915
        prefixlen: '64'
        scope: link
        valid_lft: forever
    interface: interface1.2667
    loopback: false
    lower_up: false
    mac_address: d4:be:d9:a8:49:15
    mtu: '1500'
    multicast: false
    qdisc: noqueue
    qlen: '1000'
    running: false
    state: UP
    up: false
    vlan_link: interface1
interface1.2668:
    broadcast: 10.245.185.255
    group: default
    inet4:
    - address: 10.245.185.1
        prefixlen: '24'
        scope: global
        valid_lft: forever
    inet6:
    - address: fe80::d6be:d9ff:fea8:4915
        prefixlen: '64'
        scope: link
        valid_lft: forever
    interface: interface1.2668
    loopback: false
    lower_up: false
    mac_address: d4:be:d9:a8:49:15
    mtu: '1500'
    multicast: false
    qdisc: noqueue
    qlen: '1000'
    running: false
    state: UP
    up: false
    vlan_link: interface1
interface1.2669:
    broadcast: 10.245.186.255
    group: default
    inet4:
    - address: 10.245.186.1
        prefixlen: '24'
        scope: global
        valid_lft: forever
    inet6:
    - address: fe80::d6be:d9ff:fea8:4915
        prefixlen: '64'
        scope: link
        valid_lft: forever
    interface: interface1.2669
    loopback: false
    lower_up: false
    mac_address: d4:be:d9:a8:49:15
    mtu: '1500'
    multicast: false
    qdisc: noqueue
    qlen: '1000'
    running: false
    state: UP
    up: false
    vlan_link: interface1
interface1.2670:
    broadcast: 10.245.187.255
    group: default
    inet4:
    - address: 10.245.187.2
        prefixlen: '24'
        scope: global
        valid_lft: forever
    inet6:
    - address: fe80::d6be:d9ff:fea8:4915
        prefixlen: '64'
        scope: link
        valid_lft: forever
    interface: interface1.2670
    loopback: false
    lower_up: false
    mac_address: d4:be:d9:a8:49:15
    mtu: '1500'
    multicast: false
    qdisc: noqueue
    qlen: '1000'
    running: false
    state: UP
    up: false
    vlan_link: interface1
interface2:
    broadcast: ff:ff:ff:ff:ff:ff
    group: default
    inet4: []
    inet6:
    - address: fec0::d6be:d9ff:fea8:4917
        prefixlen: '64'
        scope: site
        valid_lft: 86256sec
    - address: fe80::d6be:d9ff:fea8:4917
        prefixlen: '64'
        scope: link
        valid_lft: forever
    interface: interface2
    loopback: false
    lower_up: false
    mac_address: d4:be:d9:a8:49:17
    mtu: '1500'
    multicast: false
    qdisc: fq_codel
    qlen: '1000'
    running: false
    state: UP
    up: false
interface3:
    broadcast: ff:ff:ff:ff:ff:ff
    group: default
    inet4: []
    inet6:
    - address: fec0::d6be:d9ff:fea8:4919
        prefixlen: '64'
        scope: site
        valid_lft: 86255sec
    - address: fe80::d6be:d9ff:fea8:4919
        prefixlen: '64'
        scope: link
        valid_lft: forever
    interface: interface3
    loopback: false
    lower_up: false
    mac_address: d4:be:d9:a8:49:19
    mtu: '1500'
    multicast: false
    qdisc: fq_codel
    qlen: '1000'
    running: false
    state: UP
    up: false
lo:
    broadcast: 00:00:00:00:00:00
    group: default
    inet4:
    - address: 127.0.0.1
        prefixlen: '8'
        scope: host
        valid_lft: forever
    inet6:
    - address: ::1
        prefixlen: '128'
        scope: host
        valid_lft: forever
    interface: lo
    loopback: false
    lower_up: false
    mtu: '65536'
    multicast: false
    qdisc: noqueue
    qlen: '1000'
    running: false
    state: UNKNOWN
    up: false

ip_route_show: line: 10.245.168.0/21 dev interface0 proto kernel scope link src 10.245.168.16
ip_route_show: line: 10.245.184.0/24 dev interface1.2667 proto kernel scope link src 10.245.184.2
ip_route_show: line: 10.245.185.0/24 dev interface1.2668 proto kernel scope link src 10.245.185.1
ip_route_show: line: 10.245.186.0/24 dev interface1.2669 proto kernel scope link src 10.245.186.1
ip_route_show: line: 10.245.187.0/24 dev interface1.2670 proto kernel scope link src 10.245.187.2
ip_route_show: line: 10.245.188.0/24 dev interface1 proto kernel scope link src 10.245.188.2

network_state iface: address: null
control: auto
gateway: null
index: 0
inet: inet
mac_address: d4:be:d9:a8:49:13
mode: static
mtu: 1500
name: interface0
subnets:
- address: 10.245.168.16/21
    dns_nameservers:
    - 10.245.168.2
    gateway: 10.245.168.1
    type: static
type: physical

check_interface: testing ifname:interface0
iface:
{'name': 'interface0', 'type': 'physical', 'mac_address': 'd4:be:d9:a8:49:13', 'inet': 'inet', 'mode': 'static', 'mtu': 1500, 'address': None, 'gateway': None, 'subnets': [{'address': '10.245.168.16/21', 'dns_nameservers': ['10.245.168.2'], 'gateway': '10.245.168.1', 'type': 'static'}], 'index': 0, 'control': 'auto'}

ipcfg:
{'inet4': [{'address': '10.245.168.16', 'prefixlen': '21', 'scope': 'global', 'valid_lft': 'forever'}], 'inet6': [{'address': 'fec0::d6be:d9ff:fea8:4913', 'prefixlen': '64', 'scope': 'site', 'valid_lft': '86256sec'}, {'address': 'fe80::d6be:d9ff:fea8:4913', 'prefixlen': '64', 'scope': 'link', 'valid_lft': 'forever'}], 'interface': 'interface0', 'broadcast': '10.245.175.255', 'loopback': False, 'lower_up': False, 'multicast': False, 'running': False, 'up': False, 'mtu': '1500', 'qdisc': 'fq_codel', 'state': 'UP', 'group': 'default', 'qlen': '1000', 'mac_address': 'd4:be:d9:a8:49:13'}
ifname=interface0
ipcfg['interface']=interface0
checking mac on iface: interface0
checking mtu on iface: interface0
validating subnet:
{'address': '10.245.168.16/21', 'dns_nameservers': ['10.245.168.2'], 'gateway': '10.245.168.1', 'type': 'static'}
found addresses: [{'address': '10.245.168.16', 'prefixlen': '21', 'scope': 'global', 'valid_lft': 'forever'}]
cur ip={'address': '10.245.168.16', 'prefixlen': '21', 'scope': 'global', 'valid_lft': 'forever'}
subnet={'address': '10.245.168.16/21', 'dns_nameservers': ['10.245.168.2'], 'gateway': '10.245.168.1', 'type': 'static'}
found a match!
returning inet iface
iface:interface0 configured_gws: ['10.245.168.1']
found_gws: ['default via 10.245.168.1 dev interface0 proto static ']
expected: ['10.245.168.1']

network_state iface: address: null
control: auto
gateway: null
index: 0
inet: inet
mac_address: d4:be:d9:a8:49:15
mode: static
mtu: 1500
name: interface1
subnets:
- address: 10.245.188.2/24
    dns_nameservers: []
    type: static
type: physical

check_interface: testing ifname:interface1
iface:
{'name': 'interface1', 'type': 'physical', 'mac_address': 'd4:be:d9:a8:49:15', 'inet': 'inet', 'mode': 'static', 'mtu': 1500, 'address': None, 'gateway': None, 'subnets': [{'address': '10.245.188.2/24', 'dns_nameservers': [], 'type': 'static'}], 'index': 0, 'control': 'auto'}

ipcfg:
{'inet4': [{'address': '10.245.188.2', 'prefixlen': '24', 'scope': 'global', 'valid_lft': 'forever'}], 'inet6': [{'address': 'fec0::d6be:d9ff:fea8:4915', 'prefixlen': '64', 'scope': 'site', 'valid_lft': '86256sec'}, {'address': 'fe80::d6be:d9ff:fea8:4915', 'prefixlen': '64', 'scope': 'link', 'valid_lft': 'forever'}], 'interface': 'interface1', 'broadcast': '10.245.188.255', 'loopback': False, 'lower_up': False, 'multicast': False, 'running': False, 'up': False, 'mtu': '1504', 'qdisc': 'fq_codel', 'state': 'UP', 'group': 'default', 'qlen': '1000', 'mac_address': 'd4:be:d9:a8:49:15'}
ifname=interface1
ipcfg['interface']=interface1
checking mac on iface: interface1
checking mtu on iface: interface1

--------------------- >> end captured stdout << ----------------------