[  516.755957] bond0: (slave eth0): making interface the new active one
[  516.756047] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.947316] bond0: (slave eth0): Releasing backup interface
[  521.060059] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.241772] bond0: (slave eth0): Releasing backup interface
[  525.271268] bond0 (unregistering): Released all slaves