[pkg-lxc-devel] Bug#993232: lxc: Cannot add ipv4 gateway for network device "eth0" when not bringing up the interface.
John Wong
johnw at wonghome.net
Sun Aug 29 05:31:25 BST 2021
Attached lxc-net, lxc-config and ifconfig-lxcbr0.txt for reference, thanks.
(let me know, if need any/more information)
Regards,
John.
On 8/29/21 12:23 PM, John wrote:
> Package: lxc
> Version: 1:4.0.10-1
> Severity: normal
> X-Debbugs-Cc: johnw at wonghome.net
>
> Dear Maintainer,
>
> *** Reporter, please consider answering these questions, where appropriate ***
>
> After upgraded lxc from 4.0.6-2 to 4.0.10-1. lxc container cannot start.
> I find the error with "lxc-start -l trace" like below:
>
> network.c:lxc_network_setup_in_child_namespaces_common:3894 - Cannot add ipv4 gateway for network device "eth0" when not bringing up the interface
> network.c:lxc_setup_network_in_child_namespaces:4038 - Function not implemented - Failed to setup netdev
> conf.c:lxc_setup:4080 - Failed to setup network
> start.c:do_start:1291 - Failed to setup container "vbox"
>
> If I rollback to 4.0.6-2, everything work fine as before.
> If I remove the line "lxc.net.0.ipv4.gateway = 10.0.3.1" in "/var/lib/lxc/vbox/config" (container config),
> the container can start again, but result no network , only loopback interface (lo) in container (no eth0 in container).
>
> Thanks.
>
> * What led up to the situation?
> * What exactly did you do (or not do) that was effective (or
> ineffective)?
> * What was the outcome of this action?
> * What outcome did you expect instead?
>
> *** End of the template - remove these template lines ***
>
>
> -- System Information:
> Debian Release: bookworm/sid
> APT prefers unstable
> APT policy: (500, 'unstable')
> Architecture: amd64 (x86_64)
>
> Kernel: Linux 5.10.0-8-cloud-amd64 (SMP w/2 CPU threads)
> Locale: LANG=C.UTF-8, LC_CTYPE=C.UTF-8 (charmap=UTF-8), LANGUAGE not set
> Shell: /bin/sh linked to /usr/bin/dash
> Init: systemd (via /run/systemd/system)
> LSM: AppArmor: enabled
>
> Versions of packages lxc depends on:
> ii bridge-utils 1.7-1
> ii debconf [debconf-2.0] 1.5.77
> ii dnsmasq-base [dnsmasq-base] 2.85-1
> ii iproute2 5.13.0-2
> ii iptables 1.8.7-1
> ii libc6 2.31-17
> ii libcap2 1:2.44-1
> ii libgcc-s1 11.2.0-3
> ii liblxc1 1:4.0.10-1
> ii libseccomp2 2.5.1-1
> ii libselinux1 3.1-3
> ii lsb-base 11.1.0
>
> Versions of packages lxc recommends:
> ii apparmor 2.13.6-10
> pn debootstrap <none>
> pn dirmngr <none>
> pn gnupg <none>
> pn libpam-cgfs <none>
> pn lxc-templates <none>
> ii lxcfs 4.0.7-1
> ii openssl 1.1.1l-1
> pn rsync <none>
> pn uidmap <none>
> ii wget 1.21-1+b1
>
> Versions of packages lxc suggests:
> pn btrfs-progs <none>
> pn lvm2 <none>
> pn python3-lxc <none>
>
> -- Configuration Files:
> /etc/default/lxc-net changed:
> USE_LXC_BRIDGE="true"
> LXC_BRIDGE="lxcbr0"
> LXC_ADDR="10.0.3.1"
> LXC_NETMASK="255.255.255.0"
> LXC_NETWORK="10.0.3.0/24"
> LXC_DHCP_RANGE="10.0.3.2,10.0.3.254"
> LXC_DHCP_MAX="253"
> LXC_DHCP_CONFILE=""
> LXC_DOMAIN=""
>
>
> -- debconf information:
> lxc/auto_update_config:
>
-------------- next part --------------
lxcbr0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
inet 10.0.3.1 netmask 255.255.255.0 broadcast 10.0.3.255
ether 00:16:3e:00:00:00 txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
-------------- next part --------------
# Template used to create this container: /usr/share/lxc/templates/lxc-download
# Parameters passed to the template:
# Template script checksum (SHA-1): 273c51343604eb85f7e294c8da0a5eb769d648f3
# For additional config options, please look at lxc.container.conf(5)
# Uncomment the following line to support nesting containers:
#lxc.include = /usr/share/lxc/config/nesting.conf
# (Be aware this has security implications)
# Distribution configuration
lxc.include = /usr/share/lxc/config/common.conf
lxc.include = /usr/share/lxc/config/userns.conf
lxc.arch = linux64
lxc.tty.dir =
# Container specific configuration
#lxc.apparmor.profile = lxc-container-default-cgns-local
lxc.apparmor.profile = generated
lxc.apparmor.allow_nesting = 0
lxc.rootfs.path = dir:/var/lib/lxc/vbox/rootfs
lxc.uts.name = vbox
# Container specific configuration
lxc.start.auto = 1
lxc.start.delay = 0
lxc.idmap = u 0 300000 65536
lxc.idmap = g 0 300000 65536
lxc.cap.drop = sys_module mac_admin mac_override sys_time mknod net_raw sys_rawio sys_admin
lxc.no_new_privs = 1
# Network configuration
lxc.net.0.flags = up
lxc.net.0.type = veth
lxc.net.0.link = lxcbr0
lxc.net.0.hwaddr = 00:16:3e:00:00:03
lxc.net.0.ipv4.address = 10.0.3.3/24
lxc.net.0.ipv4.gateway = 10.0.3.1
lxc.cgroup2.memory.max = 800M
lxc.hook.pre-start = /var/lib/lxc/vbox/pre-start.sh
lxc.mount.entry = proc proc proc rw,remount,nodev,nosuid,noexec,relatime,hidepid=2,gid=0 0 0
lxc.mount.entry = tmpfs run tmpfs rw,nosuid,nodev,noexec,relatime,mode=0755,size=100M,create=dir 0 0
lxc.mount.entry = tmpfs run/lock tmpfs rw,nosuid,nodev,noexec,relatime,mode=1777,size=5M,create=dir 0 0
lxc.mount.entry = tmpfs dev/shm tmpfs rw,nosuid,nodev,noexec,relatime,mode=1777,size=384M,create=dir 0 0
-------------- next part --------------
USE_LXC_BRIDGE="true"
LXC_BRIDGE="lxcbr0"
LXC_ADDR="10.0.3.1"
LXC_NETMASK="255.255.255.0"
LXC_NETWORK="10.0.3.0/24"
LXC_DHCP_RANGE="10.0.3.2,10.0.3.254"
LXC_DHCP_MAX="253"
LXC_DHCP_CONFILE=""
LXC_DOMAIN=""
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