adb output w/ ADB_TRACE=all on an ubuntu host (where it works) compared to inside an LXC on the same host (where it doesn't work)

host.log

vagrant@precise64:~$ adb devices
system/core/adb/adb.c::main():Handling commandline()
system/core/adb/adb_client.c::adb_query():adb_query: host:devices
system/core/adb/adb_client.c::_adb_connect():_adb_connect: host:version
system/core/adb/transport.c::writex():writex: fd=3 len=4: 30303063 000c
system/core/adb/transport.c::writex():writex: fd=3 len=12: 686f73743a76657273696f6e host:version
system/core/adb/transport.c::readx():readx: fd=3 wanted=4
system/core/adb/transport.c::readx():readx: fd=3 wanted=4 got=4
4f4b4159 OKAY
system/core/adb/adb_client.c::_adb_connect():_adb_connect: return fd 3
system/core/adb/adb_client.c::adb_connect():adb_connect: service host:devices
system/core/adb/transport.c::readx():readx: fd=3 wanted=4
system/core/adb/transport.c::readx():readx: fd=3 wanted=4 got=4
30303034 0004
system/core/adb/transport.c::readx():readx: fd=3 wanted=4
system/core/adb/transport.c::readx():readx: fd=3 wanted=4 got=4
30303166 001f
system/core/adb/adb_client.c::_adb_connect():_adb_connect: host:devices
system/core/adb/transport.c::writex():writex: fd=3 len=4: 30303063 000c
system/core/adb/transport.c::writex():writex: fd=3 len=12: 686f73743a64657669636573 host:devices
system/core/adb/transport.c::readx():readx: fd=3 wanted=4
system/core/adb/transport.c::readx():readx: fd=3 wanted=4 got=4
4f4b4159 OKAY
system/core/adb/adb_client.c::_adb_connect():_adb_connect: return fd 3
system/core/adb/adb_client.c::adb_connect():adb_connect: return fd 3
system/core/adb/transport.c::readx():readx: fd=3 wanted=4
system/core/adb/transport.c::readx():readx: fd=3 wanted=4 got=4
30303138 0018
system/core/adb/transport.c::readx():readx: fd=3 wanted=24
system/core/adb/transport.c::readx():readx: fd=3 wanted=24 got=24
30346662396364383938353833366461 04fb9cd8985836da
List of devices attached
04fb9cd8985836da  device

lxc.config

root@precise64:~# cat /var/lib/lxc/p1/config
lxc.network.type=veth
lxc.network.link=lxcbr0
lxc.network.flags=up
lxc.network.hwaddr = 00:16:3e:23:2a:15
lxc.utsname = p1

lxc.devttydir = lxc
lxc.tty = 4
lxc.pts = 1024
lxc.rootfs = /var/lib/lxc/p1/rootfs
lxc.mount  = /var/lib/lxc/p1/fstab
lxc.arch = amd64
lxc.cap.drop = sys_module mac_admin
lxc.pivotdir = lxc_putold

# uncomment the next line to run the container unconfined:
#lxc.aa_profile = unconfined

#lxc.cgroup.devices.deny = a
lxc.cgroup.devices.allow = a
# Allow any mknod (but not using the node)
# lxc.cgroup.devices.allow = c *:* m
# lxc.cgroup.devices.allow = b *:* m
# /dev/null and zero
# lxc.cgroup.devices.allow = c 1:3 rwm
# lxc.cgroup.devices.allow = c 1:5 rwm
# consoles
# lxc.cgroup.devices.allow = c 5:1 rwm
# lxc.cgroup.devices.allow = c 5:0 rwm
##lxc.cgroup.devices.allow = c 4:0 rwm
##lxc.cgroup.devices.allow = c 4:1 rwm
# /dev/{,u}random
#lxc.cgroup.devices.allow = c 1:9 rwm
#lxc.cgroup.devices.allow = c 1:8 rwm
#lxc.cgroup.devices.allow = c 136:* rwm
#lxc.cgroup.devices.allow = c 5:2 rwm
# rtc
#lxc.cgroup.devices.allow = c 254:0 rwm
#fuse
#lxc.cgroup.devices.allow = c 10:229 rwm
#tun
#lxc.cgroup.devices.allow = c 10:200 rwm
#full
#lxc.cgroup.devices.allow = c 1:7 rwm
#hpet
#lxc.cgroup.devices.allow = c 10:228 rwm
#kvm
#lxc.cgroup.devices.allow = c 10:232 rwm

lxc.log

ubuntu@p1:~$ adb devices
system/core/adb/adb.c::main():Handling commandline()
system/core/adb/adb_client.c::adb_query():adb_query: host:devices
system/core/adb/adb_client.c::_adb_connect():_adb_connect: host:version
system/core/adb/transport.c::writex():writex: fd=3 len=4: 30303063 000c
system/core/adb/transport.c::writex():writex: fd=3 len=12: 686f73743a76657273696f6e host:version
system/core/adb/transport.c::readx():readx: fd=3 wanted=4
system/core/adb/transport.c::readx():readx: fd=3 wanted=4 got=4
4f4b4159 OKAY
system/core/adb/adb_client.c::_adb_connect():_adb_connect: return fd 3
system/core/adb/adb_client.c::adb_connect():adb_connect: service host:devices
system/core/adb/transport.c::readx():readx: fd=3 wanted=4
system/core/adb/transport.c::readx():readx: fd=3 wanted=4 got=4
30303034 0004
system/core/adb/transport.c::readx():readx: fd=3 wanted=4
system/core/adb/transport.c::readx():readx: fd=3 wanted=4 got=4
30303166 001f
system/core/adb/adb_client.c::_adb_connect():_adb_connect: host:devices
system/core/adb/transport.c::writex():writex: fd=3 len=4: 30303063 000c
system/core/adb/transport.c::writex():writex: fd=3 len=12: 686f73743a64657669636573 host:devices
system/core/adb/transport.c::readx():readx: fd=3 wanted=4
system/core/adb/transport.c::readx():readx: fd=3 wanted=4 got=4
4f4b4159 OKAY
system/core/adb/adb_client.c::_adb_connect():_adb_connect: return fd 3
system/core/adb/adb_client.c::adb_connect():adb_connect: return fd 3
system/core/adb/transport.c::readx():readx: fd=3 wanted=4
system/core/adb/transport.c::readx():readx: fd=3 wanted=4 got=4
30303030 0000
system/core/adb/transport.c::readx():readx: fd=3 wanted=0
system/core/adb/transport.c::readx():readx: fd=3 wanted=0 got=0

List of devices attached

How did you fix it?