[  516.602237] bond0: (slave eth0): making interface the new active one
[  516.602320] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.863979] bond0: (slave eth0): Releasing backup interface
[  520.990284] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.207131] bond0: (slave eth0): Releasing backup interface
[  525.228999] bond0 (unregistering): Released all slaves