[Bug 1424143] Re: lxc-net should attempt to use ip before ifconfig, not vice-versa

[Steve Beattie]

Here's the complete sh -xe output from running lxc-net start:

ubuntu at vivid-i386:~$ sudo sh -xe /usr/lib/i386-linux-gnu/lxc/lxc-net start
+ distrosysconfdir=/etc/default
+ localstatedir=/var
+ varrun=/run/lxc
+ 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=
+ [ ! -f /etc/default/lxc ]
+ . /etc/default/lxc
+ MIRROR=http://ubuntu-mirror.nxnw.org/ubuntu
+ LXC_AUTO=true
+ USE_LXC_BRIDGE=false
+ [ -f /etc/default/lxc-net ]
+ . /etc/default/lxc-net
+ 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_SHUTDOWN_TIMEOUT=120
+ [ -d /var/lock/subsys ]
+ lockdir=/var/lock/subsys
+ start
+ [ ! -f /var/lock/subsys/lxc-net ]
+ [ xtrue = xtrue ]
+ use_iptables_lock=-w
+ iptables -w -L -n
+ [ -d /sys/class/net/lxcbr0 ]
+ brctl addbr lxcbr0
+ echo 1
+ [ ! -d /run/lxc ]
+ ifup lxcbr0 10.0.3.1 255.255.255.0
+ which ifconfig
+ [ 0 = 0 ]
+ ifconfig lxcbr0 10.0.3.1 netmask 255.255.255.0 up
+ return
+ iptables -w -I INPUT -i lxcbr0 -p udp --dport 67 -j ACCEPT
+ iptables -w -I INPUT -i lxcbr0 -p tcp --dport 67 -j ACCEPT
+ iptables -w -I INPUT -i lxcbr0 -p udp --dport 53 -j ACCEPT
+ iptables -w -I INPUT -i lxcbr0 -p tcp --dport 53 -j ACCEPT
+ iptables -w -I FORWARD -i lxcbr0 -j ACCEPT
+ iptables -w -I FORWARD -o lxcbr0 -j ACCEPT
+ iptables -w -t nat -A POSTROUTING -s 10.0.3.0/24 ! -d 10.0.3.0/24 -j MASQUERADE
+ iptables -w -t mangle -A POSTROUTING -o lxcbr0 -p udp -m udp --dport 68 -j CHECKSUM --checksum-fill
+ LXC_DOMAIN_ARG=
+ [ -n  ]
+ getent passwd lxc-dnsmasq
+ break
+ dnsmasq -u lxc-dnsmasq --strict-order --bind-interfaces --pid-file=/run/lxc/dnsmasq.pid --conf-file= --listen-address 10.0.3.1 --dhcp-range 10.0.3.2,10.0.3.254 --dhcp-lease-max=253 --dhcp-no-override --except-interface=lo --interface=lxcbr0 --dhcp-leasefile=/var/lib/misc/dnsmasq.lxcbr0.leases --dhcp-authoritative
+ touch /run/lxc/network_up
+ touch /var/lock/subsys/lxc-net
+ exit 0

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https://bugs.launchpad.net/bugs/1424143

Title:
  lxc-net should attempt to use ip before ifconfig, not vice-versa

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