[  521.645791] bond0: (slave eth0): making interface the new active one
[  521.645883] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.841423] bond0: (slave eth0): Releasing backup interface
[  525.925644] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.069878] bond0: (slave eth0): Releasing backup interface
[  530.111807] bond0 (unregistering): Released all slaves