[  511.936342] bond0: (slave eth0): making interface the new active one
[  511.936439] bond0: (slave eth0): Enslaving as an active interface with an up link
[  516.188458] bond0: (slave eth0): Releasing backup interface
[  516.312232] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.542921] bond0: (slave eth0): Releasing backup interface
[  520.565924] bond0 (unregistering): Released all slaves