[  747.007300] 8021q: adding VLAN 0 to HW filter on device bond0
[  747.020772] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  747.033337] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  747.045939] br0: port 1(veth0) entered blocking state
[  747.046080] br0: port 1(veth0) entered disabled state
[  747.046192] veth0: entered allmulticast mode
[  747.046324] veth0: entered promiscuous mode
[  747.058656] br0: port 2(veth1) entered blocking state
[  747.058724] br0: port 2(veth1) entered disabled state
[  747.058773] veth1: entered allmulticast mode
[  747.058857] veth1: entered promiscuous mode
[  747.155243] br0: port 1(veth0) entered blocking state
[  747.155403] br0: port 1(veth0) entered forwarding state
[  747.155519] br0: port 2(veth1) entered blocking state
[  747.155592] br0: port 2(veth1) entered forwarding state
[  749.092285] bond0: (slave veth1): link status definitely up
[  749.092435] bond0: (slave veth1): making interface the new active one
[  749.092581] bond0: active interface up!
[  749.195706] veth1: left allmulticast mode
[  749.195822] veth1: left promiscuous mode
[  749.195909] br0: port 2(veth1) entered disabled state
[  749.196135] veth0: left allmulticast mode
[  749.196200] veth0: left promiscuous mode
[  749.196262] br0: port 1(veth0) entered disabled state
[  749.219519] bond0: (slave veth1): Releasing backup interface
[  749.227477] bond0: (slave veth0): Releasing backup interface