[  516.979215] bond0: (slave eth0): making interface the new active one
[  516.979371] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.175479] bond0: (slave eth0): Releasing backup interface
[  521.250996] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.398466] bond0: (slave eth0): Releasing backup interface
[  525.430388] bond0 (unregistering): Released all slaves