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[server] bridge worked on ubuntu server 17.10 but won't on 16.04

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I'm trying to get a VM up and running and am currently stuck on the creating a bridge part.

I was able to create a bridge on ubuntu server 17.10 and had the internet working. I decided to give 16.04 a try and used my interfaces configuration from 17.10. (of course, the IP address was adjusted for the new machine).

Both of the things below were copy/pasted after SSHing into the server.

Here is my ifconfig of the new machine:

Code:

enp0s25  Link encap:Ethernet  HWaddr 00:1c:c0:fb:34:8f
          inet addr:192.168.2.67  Bcast:192.168.2.255  Mask:255.255.255.0
          inet6 addr: fe80::21c:c0ff:fefb:348f/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:71 errors:0 dropped:0 overruns:0 frame:0
          TX packets:43 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:11569 (11.5 KB)  TX bytes:7609 (7.6 KB)
          Interrupt:20 Memory:f3300000-f3320000


lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:65536  Metric:1
          RX packets:176 errors:0 dropped:0 overruns:0 frame:0
          TX packets:176 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1
          RX bytes:13296 (13.2 KB)  TX bytes:13296 (13.2 KB)


virbr0-nic Link encap:Ethernet  HWaddr 52:54:00:d5:2f:41
          inet6 addr: fe80::5054:ff:fed5:2f41/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

And here is the interfaces file:

Code:

auto enp0s25
iface enp0s25 inet manual


auto br0
iface br0 inet static

  address 192.168.2.67
  netmask 255.255.255.0
  broadcast 192.168.2.255
  gateway 192.168.2.1
  bridge_ports enp0s25
  bridge_stp off
  bridge_fd 0
  bridge_maxwait 0

When I have enp0s25 set to dhcp, and completely remove everything related to br0, I can ping google without a problem. If I use the above configuration, I lose connection.

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