[  538.011318] bond0: (slave eth0): making interface the new active one
[  538.011412] bond0: (slave eth0): Enslaving as an active interface with an up link
[  542.223792] bond0: (slave eth0): Releasing backup interface
[  542.319269] bond0: (slave eth0): Enslaving as an active interface with an up link
[  546.512818] bond0: (slave eth0): Releasing backup interface
[  546.537699] bond0 (unregistering): Released all slaves