[  752.071870] 8021q: adding VLAN 0 to HW filter on device bond0
[  752.075039] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  752.078200] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  752.081220] br0: port 1(veth0) entered blocking state
[  752.081284] br0: port 1(veth0) entered disabled state
[  752.081349] veth0: entered allmulticast mode
[  752.081452] veth0: entered promiscuous mode
[  752.084506] br0: port 2(veth1) entered blocking state
[  752.084550] br0: port 2(veth1) entered disabled state
[  752.084580] veth1: entered allmulticast mode
[  752.084629] veth1: entered promiscuous mode
[  753.087738] br0: port 1(veth0) entered blocking state
[  753.087798] br0: port 1(veth0) entered forwarding state
[  753.087858] br0: port 2(veth1) entered blocking state
[  753.087890] br0: port 2(veth1) entered forwarding state
[  754.111796] bond0: (slave veth1): link status definitely up
[  754.111908] bond0: (slave veth1): making interface the new active one
[  754.111977] bond0: active interface up!
[  754.121601] veth1: left allmulticast mode
[  754.121648] veth1: left promiscuous mode
[  754.121682] br0: port 2(veth1) entered disabled state
[  754.121851] veth0: left allmulticast mode
[  754.121886] veth0: left promiscuous mode
[  754.121913] br0: port 1(veth0) entered disabled state
[  754.136874] bond0: (slave veth1): Releasing backup interface
[  754.143818] bond0: (slave veth0): Releasing backup interface
[  754.178793] bond0 (unregistering): Released all slaves