This breaks uAPI between old user spaces and new kernels, particularly core22 snap base in combination with 6.14.0-33-generic. Please, see https://github.com/canonical/lxd/issues/16714
Stefan, >adds the flag for the fan map. Historically using a number high enough to leave a gap. But since we expose the number via procfs there was no gap in Plucky. We should adjust the fan patch to set no fix number and just be appended to the set. please, can you explain this statement about procfs and no gap in Plucky? IMHO, having this gap was absolutely right decision to maintain compatibility, while being able to rebase Ubuntu FAN patchset on top of upstream kernel? Please, correct me if I'm wrong. Also, I don't understand how procfs is related to this. ** Bug watch added: LXD bug tracker #16714 https://github.com/canonical/lxd/issues/16714 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. Matching subscriptions: iproute2 https://bugs.launchpad.net/bugs/2124257 Title: iproute2 breaking netplan DEP-8 tests in Questing, unexpected "fan- map" in JSON output Status in iproute2 package in Ubuntu: Fix Released Status in linux package in Ubuntu: Invalid Status in netplan.io package in Ubuntu: Invalid Status in iproute2 source package in Questing: Fix Released Status in linux source package in Questing: Invalid Status in netplan.io source package in Questing: Invalid Bug description: iproute2 prints unexpected output about "fan-map" in the middle of its JSON output. Similar, but slightly different to bug #2115790 2430s test_tunnel_vxlan (__main__.TestNetworkd.test_tunnel_vxlan) ... eth42 vx0 ERROR 2438s test_tunnel_wireguard (__main__.TestNetworkd.test_tunnel_wireguard) ... wg0 wg1 ok 2438s 2438s ====================================================================== 2438s ERROR: test_tunnel_vxlan (__main__.TestNetworkd.test_tunnel_vxlan) 2438s ---------------------------------------------------------------------- 2438s Traceback (most recent call last): 2438s File "/tmp/autopkgtest.N7Mfst/build.7aq/src/tests/integration/tunnels.py", line 281, in test_tunnel_vxlan 2438s json = self.iface_json('vx0') 2438s File "/tmp/autopkgtest.N7Mfst/build.7aq/src/tests/integration/base.py", line 323, in iface_json 2438s json_dict = json.loads(out) 2438s File "/usr/lib/python3.13/json/__init__.py", line 346, in loads 2438s return _default_decoder.decode(s) 2438s ~~~~~~~~~~~~~~~~~~~~~~~^^^ 2438s File "/usr/lib/python3.13/json/decoder.py", line 345, in decode 2438s obj, end = self.raw_decode(s, idx=_w(s, 0).end()) 2438s ~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^ 2438s File "/usr/lib/python3.13/json/decoder.py", line 361, in raw_decode 2438s obj, end = self.scan_once(s, idx) 2438s ~~~~~~~~~~~~~~^^^^^^^^ 2438s json.decoder.JSONDecodeError: Expecting ',' delimiter: line 1 column 379 (char 378) 2438s 2438s ---------------------------------------------------------------------- 2438s Ran 26 tests in 295.714s 2438s 2438s FAILED (errors=1) Reproducer: $ autopkgtest-buildvm-ubuntu-cloud -r questing $ autopkgtest -U netplan.io --test-name=tunnels -s --add-apt-source "deb-src http://archive.ubuntu.com/ubuntu questing main" --apt-pocket=proposed=src:iproute2 -- qemu ./autopkgtest-questing-amd64.img inside the VM: root@autopkgtest:~# cat /etc/netplan/tun.yaml network: renderer: networkd version: 2 tunnels: vx0: mode: vxlan id: 1337 link: ens3 local: 10.10.10.42 remote: 224.0.0.5 # multicast group ttl: 64 aging: 100 port: 4567 port-range: [4000, 4200] mac-learning: false short-circuit: true notifications: [l2-miss, l3-miss] checksums: [udp, zero-udp6-tx, zero-udp6-rx, remote-tx, remote-rx] # sd-networkd only ethernets: ens3: dhcp4: true root@autopkgtest:~# netplan apply root@autopkgtest:~# ip -j -d a show dev vx0 [{"ifindex":146,"ifname":"vx0","flags":["BROADCAST","MULTICAST","UP","LOWER_UP"],"mtu":1450,"qdisc":"noqueue","operstate":"UNKNOWN","group":"default","txqlen":1000,"link_type":"ether","address":"de:85:01:51:96:fd","broadcast":"ff:ff:ff:ff:ff:ff","promiscuity":0,"allmulti":0,"min_mtu":68,"max_mtu":65535,"linkinfo":{"info_kind":"vxlan","info_data":{"id":1337,"group":"224.0.0.5"fan-map ,"local":"10.10.10.42","link":"ens3","port_range":{"low":4000,"high":4200},"port":4567,"ttl":64,"df":"unset","ageing":100,"reserved_bits":"0xf7ffffff000000ff","external":false,"learning":false,"proxy":false,"rsc":true,"l2miss":true,"l3miss":true,"udp_csum":true,"udp_zero_csum6_tx":true,"udp_zero_csum6_rx":true,"remcsum_tx":true,"remcsum_rx":true,"localbypass":true}},"num_tx_queues":1,"num_rx_queues":1,"gso_max_size":65536,"gso_max_segs":65535,"tso_max_size":65536,"tso_max_segs":65535,"gro_max_size":65536,"gso_ipv4_max_size":65536,"gro_ipv4_max_size":65536,"addr_info":[{"family":"inet6","local":"fe80::dc85:1ff:fe51:96fd","prefixlen":64,"scope":"link","protocol":"kernel_ll","valid_life_time":4294967295,"preferred_life_time":4294967295}]}] This provides us with this broken JSON string: "group":"224.0.0.5"fan-map, To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/iproute2/+bug/2124257/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
