[  523.514059] bond0: (slave eth0): making interface the new active one
[  523.514142] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.695549] bond0: (slave eth0): Releasing backup interface
[  527.769604] bond0: (slave eth0): Enslaving as an active interface with an up link
[  531.926248] bond0: (slave eth0): Releasing backup interface
[  531.954875] bond0 (unregistering): Released all slaves