[Bug 1876670] Re: nfs does not mount at boot with bridge

Mon Jul 6 04:17:27 UTC 2020

[Expired for systemd (Ubuntu) because there has been no activity for 60
days.]

** Changed in: systemd (Ubuntu)
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1876670

Title:
  nfs does not mount at boot with bridge

Status in systemd package in Ubuntu:
  Expired

Bug description:
  I am running a Ubuntu 20.04 server with lxd and kvm/qemu. 
  I try to connect a nfs share at boot. It is working while I do not configure any bridge with netplan. I am creating directly a systemd service for the NFS mount but I have the same problem if I edit the fstab file.

  #/etc/systemd/system/mnt-nas.mount
  [Unit]
  Description=NAS devices
  After=network.target

  [Mount]
  What=192.168.1.20:/volume2/media
  Where=/mnt/nas
  Type=nfs
  Options=_netdev,auto

  [Install]
  WantedBy=multi-user.target

  ## TEST WITHOUT BRIDGE

  #/etc/netplan/01-netcfg.yaml 
  network:
    version: 2
    renderer: networkd
    ethernets:
      eno1:
        dhcp4: yes

  root at bowser:~# ip a
  1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
      link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
      inet 127.0.0.1/8 scope host lo
         valid_lft forever preferred_lft forever
      inet6 ::1/128 scope host 
         valid_lft forever preferred_lft forever
  2: eno1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
      link/ether f8:75:a4:00:be:ad brd ff:ff:ff:ff:ff:ff
      inet 192.168.1.100/24 brd 192.168.1.255 scope global dynamic eno1
         valid_lft 86244sec preferred_lft 86244sec
      inet6 fe80::fa75:a4ff:fe00:bead/64 scope link 
         valid_lft forever preferred_lft forever
  3: wlp1s0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
      link/ether 60:f2:62:38:d7:c2 brd ff:ff:ff:ff:ff:ff

  root at bowser:~# journalctl -b
  ...
  May 04 08:58:08 bowser systemd-networkd[535]: eno1: Gained carrier
  May 04 08:58:08 bowser kernel: e1000e: eno1 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: None
  May 04 08:58:08 bowser kernel: IPv6: ADDRCONF(NETDEV_CHANGE): eno1: link becomes ready
  May 04 08:58:08 bowser systemd[1]: systemd-rfkill.service: Succeeded.
  May 04 08:58:08 bowser set-cpufreq[795]: Setting powersave scheduler for all CPUs
  May 04 08:58:08 bowser systemd[1]: ondemand.service: Succeeded.
  May 04 08:58:08 bowser systemd[1]: dmesg.service: Succeeded.
  May 04 08:58:09 bowser systemd-networkd[535]: eno1: Gained IPv6LL
  May 04 08:58:09 bowser systemd-timesyncd[757]: Network configuration changed, trying to establish connection.
  May 04 08:58:10 bowser systemd-networkd[535]: eno1: DHCPv4 address 192.168.1.100/24 via 192.168.1.1
  May 04 08:58:10 bowser systemd-timesyncd[757]: Network configuration changed, trying to establish connection.
  May 04 08:58:10 bowser systemd-timesyncd[757]: Network configuration changed, trying to establish connection.
  May 04 08:58:10 bowser systemd-timesyncd[757]: Network configuration changed, trying to establish connection.
  May 04 08:58:10 bowser systemd-networkd-wait-online[611]: managing: eno1
  May 04 08:58:10 bowser systemd[1]: Finished Wait for Network to be Configured.
  May 04 08:58:10 bowser systemd[1]: Reached target Network is Online.
  May 04 08:58:10 bowser systemd[1]: Condition check resulted in Login to default iSCSI targets being skipped.
  May 04 08:58:10 bowser systemd[1]: Reached target Remote File Systems (Pre).
  May 04 08:58:10 bowser systemd[1]: Mounting NAS devices...
  May 04 08:58:10 bowser systemd[1]: Starting Availability of block devices...
  May 04 08:58:10 bowser systemd[1]: Condition check resulted in Pollinate to seed the pseudo random number generator being skipped.
  May 04 08:58:10 bowser systemd[1]: Starting OpenBSD Secure Shell server...
  May 04 08:58:10 bowser systemd[1]: Finished Availability of block devices.
  May 04 08:58:10 bowser kernel: FS-Cache: Loaded
  May 04 08:58:10 bowser sshd[952]: Server listening on 0.0.0.0 port 22.
  May 04 08:58:10 bowser sshd[952]: Server listening on :: port 22.
  May 04 08:58:10 bowser systemd[1]: Started OpenBSD Secure Shell server.
  May 04 08:58:10 bowser kernel: FS-Cache: Netfs 'nfs' registered for caching
  May 04 08:58:10 bowser kernel: NFS: Registering the id_resolver key type
  May 04 08:58:10 bowser kernel: Key type id_resolver registered
  May 04 08:58:10 bowser kernel: Key type id_legacy registered
  May 04 08:58:10 bowser systemd[1]: /lib/systemd/system/rpc-statd.service:16: PIDFile= references a path below legacy directory /var/run/, updating /var/run/rpc.statd.pid → /run/rpc.statd.pid; please update the unit file accordingly.
  May 04 08:58:10 bowser systemd[1]: Starting Preprocess NFS configuration...
  May 04 08:58:10 bowser systemd[1]: nfs-config.service: Succeeded.
  May 04 08:58:10 bowser systemd[1]: Finished Preprocess NFS configuration.
  May 04 08:58:10 bowser systemd[1]: Starting Notify NFS peers of a restart...
  May 04 08:58:10 bowser systemd[1]: Starting NFS status monitor for NFSv2/3 locking....
  May 04 08:58:10 bowser sm-notify[962]: Version 1.3.3 starting
  May 04 08:58:10 bowser systemd[1]: rpc-statd-notify.service: Succeeded.
  May 04 08:58:10 bowser systemd[1]: Started Notify NFS peers of a restart.
  May 04 08:58:10 bowser rpc.statd[964]: Version 1.3.3 starting
  May 04 08:58:10 bowser rpc.statd[964]: Flags: TI-RPC
  May 04 08:58:10 bowser systemd[1]: Started NFS status monitor for NFSv2/3 locking..
  May 04 08:58:10 bowser systemd[1]: Mounted NAS devices.
  ...

  ## TEST WITH BRIDGE

  #/etc/netplan/01-netcfg.yaml 
  network:
    version: 2
    renderer: networkd
    ethernets:
      eno1:
        dhcp4: no
    bridges:
      br0:
        macaddress: f8:75:a4:00:be:ad
        dhcp4: yes
        interfaces: [eno1]

  root at bowser:~# ip a
  1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
      link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
      inet 127.0.0.1/8 scope host lo
         valid_lft forever preferred_lft forever
      inet6 ::1/128 scope host 
         valid_lft forever preferred_lft forever
  2: eno1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel master br0 state UP group default qlen 1000
      link/ether f8:75:a4:00:be:ad brd ff:ff:ff:ff:ff:ff
  3: br0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
      link/ether f8:75:a4:00:be:ad brd ff:ff:ff:ff:ff:ff
      inet 192.168.1.100/24 brd 192.168.1.255 scope global dynamic br0
         valid_lft 85658sec preferred_lft 85658sec
      inet6 fe80::fa75:a4ff:fe00:bead/64 scope link 
         valid_lft forever preferred_lft forever
  4: wlp1s0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
      link/ether 60:f2:62:38:d7:c2 brd ff:ff:ff:ff:ff:ff

  root at bowser:~# journalctl -b
  ...
  May 04 07:40:14 bowser systemd-networkd[538]: eno1: Gained carrier
  May 04 07:40:14 bowser systemd-networkd[538]: br0: Gained carrier
  May 04 07:40:14 bowser kernel: e1000e: eno1 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: None
  May 04 07:40:14 bowser kernel: IPv6: ADDRCONF(NETDEV_CHANGE): eno1: link becomes ready
  May 04 07:40:14 bowser kernel: br0: port 1(eno1) entered blocking state
  May 04 07:40:14 bowser kernel: br0: port 1(eno1) entered forwarding state
  May 04 07:40:14 bowser kernel: IPv6: ADDRCONF(NETDEV_CHANGE): br0: link becomes ready
  May 04 07:40:14 bowser systemd-networkd-wait-online[609]: managing: eno1
  May 04 07:40:14 bowser systemd-networkd-wait-online[609]: managing: br0
  May 04 07:40:14 bowser systemd[1]: Finished Wait for Network to be Configured.
  May 04 07:40:14 bowser systemd[1]: Reached target Network is Online.
  May 04 07:40:14 bowser systemd[1]: Condition check resulted in Login to default iSCSI targets being skipped.
  May 04 07:40:14 bowser systemd[1]: Reached target Remote File Systems (Pre).
  May 04 07:40:14 bowser systemd[1]: Mounting NAS devices...
  May 04 07:40:14 bowser systemd[1]: Starting Availability of block devices...
  May 04 07:40:14 bowser systemd[1]: Condition check resulted in Pollinate to seed the pseudo random number generator being skipped.
  May 04 07:40:14 bowser systemd[1]: Starting OpenBSD Secure Shell server...
  May 04 07:40:14 bowser systemd[1]: Finished Availability of block devices.
  May 04 07:40:14 bowser kernel: FS-Cache: Loaded
  May 04 07:40:14 bowser sshd[934]: Server listening on 0.0.0.0 port 22.
  May 04 07:40:14 bowser sshd[934]: Server listening on :: port 22.
  May 04 07:40:14 bowser systemd[1]: Started OpenBSD Secure Shell server.
  May 04 07:40:14 bowser kernel: FS-Cache: Netfs 'nfs' registered for caching
  May 04 07:40:14 bowser kernel: NFS: Registering the id_resolver key type
  May 04 07:40:14 bowser kernel: Key type id_resolver registered
  May 04 07:40:14 bowser kernel: Key type id_legacy registered
  May 04 07:40:14 bowser mount[930]: mount.nfs: Network is unreachable
  May 04 07:40:14 bowser systemd[1]: mnt-nas.mount: Mount process exited, code=exited, status=32/n/a
  May 04 07:40:14 bowser systemd[1]: mnt-nas.mount: Failed with result 'exit-code'.
  May 04 07:40:14 bowser systemd[1]: Failed to mount NAS devices.
  May 04 07:40:14 bowser systemd[1]: Reached target Remote File Systems.
  ...

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