Bridge interface with netctl

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Dear list,

I am messing with assigning a static IP on a systemd-nspawn container,
on both sides (host,container).
My idea is to first create a bridge (br0) on the host.
My config on host :
systemd-git
netctl to configure network
********************
$ ifocnfig
enp7s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.1.87  netmask 255.255.255.0  broadcast 192.168.1.255
lo...
virbr0: flags=4099<UP,BROADCAST,MULTICAST>  mtu 1500  <<< libvirt
        inet 192.168.122.1  netmask 255.255.255.0  broadcast 192.168.122.255
 **************
% netctl list
  bridge-hortensia
*************
% systemctl --failed
UNIT                                    LOAD   ACTIVE SUB    DESCRIPTION
systemd-back...klight:eeepc-wmi.service loaded failed failed Load/Save
Screen Backlight Brightness o    <<<< not important .
****************
% systemctl status dhcpcd.service
dhcpcd.service - dhcpcd on all interfaces
   Loaded: loaded (/usr/lib/systemd/system/dhcpcd.service; enabled)
   Active: active (running) since Tue 2014-02-25 12:14:04 CET; 21min ago
  Process: 320 ExecStart=/bin/dhcpcd -q -b (code=exited, status=0/SUCCESS)
 Main PID: 329 (dhcpcd)
   CGroup: /system.slice/dhcpcd.service
           └─329 /bin/dhcpcd -q -b

Feb 25 12:22:30 hortensia dhcpcd[329]: br0: removing interface
Feb 25 12:22:30 hortensia dhcpcd[329]: enp7s0: carrier lost
Feb 25 12:22:31 hortensia dhcpcd[329]: enp7s0: carrier acquired
Feb 25 12:22:31 hortensia dhcpcd[329]: enp7s0: soliciting an IPv6 router
Feb 25 12:22:31 hortensia dhcpcd[329]: enp7s0: rebinding lease of 192.168.1.87
Feb 25 12:22:40 hortensia dhcpcd[329]: enp7s0: leased 192.168.1.87 for
86400 seconds
Feb 25 12:22:40 hortensia dhcpcd[329]: enp7s0: adding host route to
192.168.1.87 via 127.0.0.1
Feb 25 12:22:40 hortensia dhcpcd[329]: enp7s0: adding route to 192.168.1.0/24
Feb 25 12:22:40 hortensia dhcpcd[329]: enp7s0: adding default route
via 192.168.1.254
Feb 25 12:22:45 hortensia dhcpcd[329]: enp7s0: no IPv6 Routers available
**********************
gabx@hortensia ➤➤ ~ % cat /etc/netctl/bridge-hortensia
Description="Example Bridge connection"
Interface=br0
Connection=bridge
BindsToInterfaces=enp7s0
IP=no
*********************

Now, I want to start the bridge:
# netctl start bridge-hortensia
% ping -c 3 8.8.8.8
connect: Network is unreachable

Same result if I change IP=dhcp

I can't see where does the issue come from. Shall I enable a
"ethernet-dhcp" netctl profile and disable dhcpcd.service ?

Thank you for help.


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