[  519.866451] bond0: (slave eth0): making interface the new active one
[  519.875553] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.192639] bond0: (slave eth0): Releasing backup interface
[  524.332504] bond0: (slave eth0): Enslaving as an active interface with an up link
[  528.530781] bond0: (slave eth0): Releasing backup interface
[  528.561586] bond0 (unregistering): Released all slaves