[  521.799301] bond0: (slave eth0): making interface the new active one
[  521.799408] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.975479] bond0: (slave eth0): Releasing backup interface
[  526.060360] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.202220] bond0: (slave eth0): Releasing backup interface
[  530.248218] bond0 (unregistering): Released all slaves