[  521.467294] bond0: (slave eth0): making interface the new active one
[  521.467438] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.655566] bond0: (slave eth0): Releasing backup interface
[  525.745793] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.950326] bond0: (slave eth0): Releasing backup interface
[  529.971307] bond0 (unregistering): Released all slaves