[  516.829734] bond0: (slave eth0): making interface the new active one
[  516.829897] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.041199] bond0: (slave eth0): Releasing backup interface
[  521.122468] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.272476] bond0: (slave eth0): Releasing backup interface
[  525.301573] bond0 (unregistering): Released all slaves