zypper in lxc
lxc-create -n alp1 -t alpine -- --release=edge
$EDITOR /var/lib/lxc/alp1/config
  #lxc.network.type=none
  lxc.network.0.type=veth
  lxc.network.0.link=br0
  lxc.network.0.flags=up
lxc-start -n alp1
lxc-attach -n alp1
  apk update
  apk add nano radvd dhcp dhclient dhcpcd tcpdump
lxc-stop -n alp1
$EDITOR /var/lib/lxc/alp1/config
  lxc.network.0.link=br1
cd /var/lib/lxc
ip l add br1 type bridge
ip l set br1 up
cp -a alp1 alp2
$EDITOR alp2/config
  lxc.rootfs = /var/lib/lxc/alp2/rootfs
  lxc.utsname = alp2
lxc-start -n alp1
...