[  521.362299] bond0: (slave eth0): making interface the new active one
[  521.362403] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.515601] bond0: (slave eth0): Releasing backup interface
[  525.584166] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.744434] bond0: (slave eth0): Releasing backup interface
[  529.773183] bond0 (unregistering): Released all slaves