[  516.913994] bond0: (slave eth0): making interface the new active one
[  516.914066] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.134731] bond0: (slave eth0): Releasing backup interface
[  521.233349] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.435888] bond0: (slave eth0): Releasing backup interface
[  525.474986] bond0 (unregistering): Released all slaves