[  522.967247] bond0: (slave eth0): making interface the new active one
[  522.967337] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.111441] bond0: (slave eth0): Releasing backup interface
[  527.177430] bond0: (slave eth0): Enslaving as an active interface with an up link
[  531.338139] bond0: (slave eth0): Releasing backup interface
[  531.367130] bond0 (unregistering): Released all slaves