[  520.934647] bond0: (slave eth0): making interface the new active one
[  520.934735] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.112368] bond0: (slave eth0): Releasing backup interface
[  525.176752] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.362504] bond0: (slave eth0): Releasing backup interface
[  529.399434] bond0 (unregistering): Released all slaves