[  520.909437] bond0: (slave eth0): making interface the new active one
[  520.909587] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.068759] bond0: (slave eth0): Releasing backup interface
[  525.133601] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.295284] bond0: (slave eth0): Releasing backup interface
[  529.321215] bond0 (unregistering): Released all slaves