[  521.774067] bond0: (slave eth0): making interface the new active one
[  521.774154] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.971620] bond0: (slave eth0): Releasing backup interface
[  526.060908] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.264060] bond0: (slave eth0): Releasing backup interface
[  530.290847] bond0 (unregistering): Released all slaves