[  538.793193] bond0: (slave eth0): making interface the new active one
[  538.793289] bond0: (slave eth0): Enslaving as an active interface with an up link
[  542.998168] bond0: (slave eth0): Releasing backup interface
[  543.079204] bond0: (slave eth0): Enslaving as an active interface with an up link
[  547.230898] bond0: (slave eth0): Releasing backup interface
[  547.264831] bond0 (unregistering): Released all slaves