[  507.598171] bond0: (slave eth0): making interface the new active one
[  507.598257] bond0: (slave eth0): Enslaving as an active interface with an up link
[  511.765911] bond0: (slave eth0): Releasing backup interface
[  511.853078] bond0: (slave eth0): Enslaving as an active interface with an up link
[  516.011649] bond0: (slave eth0): Releasing backup interface
[  516.061619] bond0 (unregistering): Released all slaves