[  522.184014] bond0: (slave eth0): making interface the new active one
[  522.184084] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.350623] bond0: (slave eth0): Releasing backup interface
[  526.429288] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.585192] bond0: (slave eth0): Releasing backup interface
[  530.617815] bond0 (unregistering): Released all slaves