[  518.636392] bond0: (slave eth0): making interface the new active one
[  518.636467] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.836560] bond0: (slave eth0): Releasing backup interface
[  522.917647] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.066889] bond0: (slave eth0): Releasing backup interface
[  527.103519] bond0 (unregistering): Released all slaves