[  519.966391] bond0: (slave eth0): making interface the new active one
[  519.966485] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.188273] bond0: (slave eth0): Releasing backup interface
[  524.312603] bond0: (slave eth0): Enslaving as an active interface with an up link
[  528.534865] bond0: (slave eth0): Releasing backup interface
[  528.566792] bond0 (unregistering): Released all slaves