Had this error while upgrading in yakkety
Network lxdbr0 created
Moving the old bridge into place
Configuring the new LXD bridge
Setting IPv4 network to 10.7.93.1/24
Setting IPv4 DHCP range to 10.7.93.2-10.7.93.254
Enabling IPv4 NAT
Setting IPv6 network to fd88:b7ac:afb7:4c42::1/64
error: Failed to run: ip -6 addr add dev lxdbr0 fd88:b7ac:afb7:4c42::1/64:
RTNETLINK answers: Permission denied
dpkg: error processing package lxd (--configure):
subprocess installed post-installation script returned error exit status 1
Here's output of the test commands:
root@computer:~# ip link add testbr0 type bridge
root@computer:~# ip link set testbr0 up
root@computer:~# ifconfig testbr0
testbr0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet6 fe80::40c1:ddff:fe5a:63f prefixlen 64 scopeid 0x20<link>
ether 42:c1:dd:5a:06:3f txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 20 bytes 3732 (3.7 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
root@computer:~# cat /proc/sys/net/ipv6/conf/testbr0/disable_ipv6
0
root@computer:~# ip -6 addr add fdb8:8fd4:375c:6f2a::1/64 dev testbr0
root@computer:~# ifconfig testbr0
testbr0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet6 fe80::40c1:ddff:fe5a:63f prefixlen 64 scopeid 0x20<link>
inet6 fdb8:8fd4:375c:6f2a::1 prefixlen 64 scopeid 0x0<global>
ether 42:c1:dd:5a:06:3f txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 38 bytes 7108 (7.1 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
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https://bugs.launchpad.net/bugs/1629540
Title:
package lxd (not installed) failed to install/upgrade: subprocess
installed post-installation script returned error exit status 1
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