[  516.971290] bond0: (slave eth0): making interface the new active one
[  516.971417] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.172602] bond0: (slave eth0): Releasing backup interface
[  521.242149] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.399317] bond0: (slave eth0): Releasing backup interface
[  525.429281] bond0 (unregistering): Released all slaves