[  516.733288] bond0: (slave eth0): making interface the new active one
[  516.733367] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.917909] bond0: (slave eth0): Releasing backup interface
[  521.018618] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.197834] bond0: (slave eth0): Releasing backup interface
[  525.227705] bond0 (unregistering): Released all slaves