[  516.577726] bond0: (slave eth0): making interface the new active one
[  516.577814] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.792104] bond0: (slave eth0): Releasing backup interface
[  520.907089] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.080988] bond0: (slave eth0): Releasing backup interface
[  525.102932] bond0 (unregistering): Released all slaves