On 11/12/2015 10:42 AM, Sergio Belkin wrote: > DEVICE=enp0s3 > #HWADDR=08:00:27:AB:1D:E6 > BOOTPROTO=none > ONBOOT=yes > NM_CONTROLLED=no > BRIDGE=br0 > DEVICE=enp0s8 > HWADDR=08:00:27:A3:98:E6 > BOOTPROTO=none > ONBOOT=yes > NM_CONTROLLED=no > BRIDGE=br0 Do you have those two devices connected to the same LAN? > I've disabled NetworkManager, but problem persists. Why would that matter, when all of your interfaces are NM_CONTROLLED=no?