[  516.783203] bond0: (slave eth0): making interface the new active one
[  516.783276] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.980943] bond0: (slave eth0): Releasing backup interface
[  521.046483] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.199395] bond0: (slave eth0): Releasing backup interface
[  525.229318] bond0 (unregistering): Released all slaves