[  516.131018] bond0: (slave eth0): making interface the new active one
[  516.131106] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.342320] bond0: (slave eth0): Releasing backup interface
[  520.449104] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.636481] bond0: (slave eth0): Releasing backup interface
[  524.656927] bond0 (unregistering): Released all slaves