[  516.805110] bond0: (slave eth0): making interface the new active one
[  516.805175] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.054228] bond0: (slave eth0): Releasing backup interface
[  521.177109] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.399926] bond0: (slave eth0): Releasing backup interface
[  525.428859] bond0 (unregistering): Released all slaves