[  518.566370] bond0: (slave eth0): making interface the new active one
[  518.566456] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.789288] bond0: (slave eth0): Releasing backup interface
[  522.897270] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.068024] bond0: (slave eth0): Releasing backup interface
[  527.090055] bond0 (unregistering): Released all slaves