[  836.239056][ T9408] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  836.327912][ T9409] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  836.413495][ T9410] br0: port 1(veth0) entered blocking state
[  836.413756][ T9410] br0: port 1(veth0) entered disabled state
[  836.414003][ T9410] veth0: entered allmulticast mode
[  836.415175][ T9410] veth0: entered promiscuous mode
[  836.506755][ T9411] br0: port 2(veth1) entered blocking state
[  836.507050][ T9411] br0: port 2(veth1) entered disabled state
[  836.507588][ T9411] veth1: entered allmulticast mode
[  836.508868][ T9411] veth1: entered promiscuous mode
[  837.438790][   T39] br0: port 1(veth0) entered blocking state
[  837.439139][   T39] br0: port 1(veth0) entered forwarding state
[  837.440426][   T39] br0: port 2(veth1) entered blocking state
[  837.440690][   T39] br0: port 2(veth1) entered forwarding state
[  839.231636][  T271] bond0: (slave veth0): link status definitely up
[  839.232288][  T271] bond0: (slave veth1): link status definitely up
[  839.232501][  T271] bond0: (slave veth0): making interface the new active one
[  839.233602][  T271] bond0: active interface up!
[  839.625453][  T271] veth1: left allmulticast mode
[  839.625712][  T271] veth1: left promiscuous mode
[  839.626051][  T271] br0: port 2(veth1) entered disabled state
[  839.627517][  T271] veth0: left allmulticast mode
[  839.627719][  T271] veth0: left promiscuous mode
[  839.628037][  T271] br0: port 1(veth0) entered disabled state
[  839.776765][  T271] bond0: (slave veth1): Releasing backup interface
[  839.935269][  T271] bond0: (slave veth0): Releasing backup interface
[  840.321174][  T271] bond0 (unregistering): Released all slaves