[  516.964374] bond0: (slave eth0): making interface the new active one
[  516.964489] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.177463] bond0: (slave eth0): Releasing backup interface
[  521.282156] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.465778] bond0: (slave eth0): Releasing backup interface
[  525.489826] bond0 (unregistering): Released all slaves