[  516.882979] bond0: (slave eth0): making interface the new active one
[  516.883075] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.188635] bond0: (slave eth0): Releasing backup interface
[  521.402885] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.675278] bond0: (slave eth0): Releasing backup interface
[  525.716240] bond0 (unregistering): Released all slaves