[  516.882118] bond0: (slave eth0): making interface the new active one
[  516.882211] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.042888] bond0: (slave eth0): Releasing backup interface
[  521.121188] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.267347] bond0: (slave eth0): Releasing backup interface
[  525.290126] bond0 (unregistering): Released all slaves