[  516.990382] bond0: (slave eth0): making interface the new active one
[  516.990449] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.156257] bond0: (slave eth0): Releasing backup interface
[  521.206295] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.394193] bond0: (slave eth0): Releasing backup interface
[  525.414125] bond0 (unregistering): Released all slaves