[  515.620902] bond0: (slave eth0): making interface the new active one
[  515.620991] bond0: (slave eth0): Enslaving as an active interface with an up link
[  519.839712] bond0: (slave eth0): Releasing backup interface
[  519.966268] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.191127] bond0: (slave eth0): Releasing backup interface
[  524.215098] bond0 (unregistering): Released all slaves