[  516.268142] bond0: (slave eth0): making interface the new active one
[  516.268227] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.480152] bond0: (slave eth0): Releasing backup interface
[  520.588868] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.766981] bond0: (slave eth0): Releasing backup interface
[  524.810935] bond0 (unregistering): Released all slaves