[  524.797411] bond0: (slave eth0): making interface the new active one
[  524.797535] bond0: (slave eth0): Enslaving as an active interface with an up link
[  528.980808] bond0: (slave eth0): Releasing backup interface
[  529.056106] bond0: (slave eth0): Enslaving as an active interface with an up link
[  533.208757] bond0: (slave eth0): Releasing backup interface
[  533.243765] bond0 (unregistering): Released all slaves