[  519.958839] bond0: (slave eth0): making interface the new active one
[  519.958919] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.111284] bond0: (slave eth0): Releasing backup interface
[  524.181431] bond0: (slave eth0): Enslaving as an active interface with an up link
[  528.341538] bond0: (slave eth0): Releasing backup interface
[  528.371430] bond0 (unregistering): Released all slaves