[  521.605306] bond0: (slave eth0): making interface the new active one
[  521.605376] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.779546] bond0: (slave eth0): Releasing backup interface
[  525.857527] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.011038] bond0: (slave eth0): Releasing backup interface
[  530.041548] bond0 (unregistering): Released all slaves