[  516.652302] bond0: (slave eth0): making interface the new active one
[  516.652390] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.847416] bond0: (slave eth0): Releasing backup interface
[  520.917759] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.079544] bond0: (slave eth0): Releasing backup interface
[  525.106169] bond0 (unregistering): Released all slaves