[  507.741852] bond0: (slave eth0): making interface the new active one
[  507.741938] bond0: (slave eth0): Enslaving as an active interface with an up link
[  511.961412] bond0: (slave eth0): Releasing backup interface
[  512.085178] bond0: (slave eth0): Enslaving as an active interface with an up link
[  516.308139] bond0: (slave eth0): Releasing backup interface
[  516.334930] bond0 (unregistering): Released all slaves