Boot server SRV-0-2.
A ping from SRV-0-1 to SRV-0-2 on interface br0.3001 is running. (br0 is a open vSwitch bridge)
[dia6-hm_7-root@SRV-0-2 ~]# dmesg -c > dmesg-boot.log
[dia6-hm_7-root@SRV-0-2 ~]# ifdown eth64.3001
#
# Ping stopped working
#
[dia6-hm_7-root@SRV-0-2 ~]# dmesg -c > dmesg-ethdown.log
[dia6-hm_7-root@SRV-0-2 ~]# ifup eth64.3001
#
# Ping resumes
#
[dia6-hm_7-root@SRV-0-2 ~]# dmesg -c > dmesg-ethup.log
[dia6-hm_7-root@SRV-0-2 ~]# cat /etc/sysconfig/network-scripts/ifcfg-eth64
# Generated by puppet-network on 2014-06-03 13:48:16
DEVICE=eth64
VLAN=no
BOOTPROTO=none
NOZEROCONF=yes
USERCTL=no
ONBOOT=yes
[dia6-hm_7-root@SRV-0-2 ~]# cat /etc/sysconfig/network-scripts/ifcfg-eth64.3001
# Generated by puppet-network on 2014-06-03 13:48:16
DEVICE=eth64.3001
VLAN=yes
BOOTPROTO=none
NOZEROCONF=yes
USERCTL=no
ONBOOT=yes
[dia6-hm_7-root@SRV-0-2 ~]# uname -a
Linux SRV-0-2 2.6.32-431.17.1.el6.x86_64 #1 SMP Wed May 7 23:32:49 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
[dia6-hm_7-root@SRV-0-2 ~]# rpm -qi kernel-2.6.32-431.17.1.el6.x86_64
Name : kernel Relocations: (not relocatable)
Version : 2.6.32 Vendor: CentOS
Release : 431.17.1.el6 Build Date: Thu 08 May 2014 12:48:49 AM UTC
Install Date: Tue 03 Jun 2014 01:22:29 PM UTC Build Host: c6b8.bsys.dev.centos.org
Group : System Environment/Kernel Source RPM: kernel-2.6.32-431.17.1.el6.src.rpm
Size : 126763163 License: GPLv2
Signature : RSA/SHA1, Thu 08 May 2014 05:52:54 PM UTC, Key ID 0946fca2c105b9de
Packager : CentOS BuildSystem <http://bugs.centos.org>
URL : http://www.kernel.org/
Summary : The Linux kernel
Description :
The kernel package contains the Linux kernel (vmlinuz), the core of any
Linux operating system. The kernel handles the basic functions
of the operating system: memory allocation, process allocation, device
input and output, etc.