[  514.389034] bond0: (slave eth0): making interface the new active one
[  514.389122] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.632298] bond0: (slave eth0): Releasing backup interface
[  518.765474] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.982480] bond0: (slave eth0): Releasing backup interface
[  523.015114] bond0 (unregistering): Released all slaves