[  521.091638] bond0: (slave eth0): making interface the new active one
[  521.091720] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.261003] bond0: (slave eth0): Releasing backup interface
[  525.335645] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.487652] bond0: (slave eth0): Releasing backup interface
[  529.515312] bond0 (unregistering): Released all slaves