[  518.487897] bond0: (slave eth0): making interface the new active one
[  518.488032] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.712172] bond0: (slave eth0): Releasing backup interface
[  522.807817] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.003459] bond0: (slave eth0): Releasing backup interface
[  527.040551] bond0 (unregistering): Released all slaves