[  838.880638][ T9373] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  838.978685][ T9374] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  839.090825][ T9375] br0: port 1(veth0) entered blocking state
[  839.091097][ T9375] br0: port 1(veth0) entered disabled state
[  839.091364][ T9375] veth0: entered allmulticast mode
[  839.092553][ T9375] veth0: entered promiscuous mode
[  839.191503][ T9376] br0: port 2(veth1) entered blocking state
[  839.191905][ T9376] br0: port 2(veth1) entered disabled state
[  839.192318][ T9376] veth1: entered allmulticast mode
[  839.194329][ T9376] veth1: entered promiscuous mode
[  839.632737][ T8306] br0: port 1(veth0) entered blocking state
[  839.633031][ T8306] br0: port 1(veth0) entered forwarding state
[  839.634462][ T8306] br0: port 2(veth1) entered blocking state
[  839.634702][ T8306] br0: port 2(veth1) entered forwarding state
[  840.832670][ T8512] bond0: (slave veth1): link status definitely up
[  840.833179][ T8512] bond0: (slave veth1): making interface the new active one
[  840.834307][ T8512] bond0: active interface up!
[  841.335409][ T4987] veth1: left allmulticast mode
[  841.335663][ T4987] veth1: left promiscuous mode
[  841.336000][ T4987] br0: port 2(veth1) entered disabled state
[  841.338760][ T4987] veth0: left allmulticast mode
[  841.338961][ T4987] veth0: left promiscuous mode
[  841.339282][ T4987] br0: port 1(veth0) entered disabled state
[  841.491192][ T4987] bond0: (slave veth1): Releasing backup interface
[  841.693070][ T4987] bond0: (slave veth0): Releasing backup interface
[  842.092502][ T4987] bond0 (unregistering): Released all slaves