[  524.587970] bond0: (slave eth0): making interface the new active one
[  524.588050] bond0: (slave eth0): Enslaving as an active interface with an up link
[  528.789177] bond0: (slave eth0): Releasing backup interface
[  528.882488] bond0: (slave eth0): Enslaving as an active interface with an up link
[  533.078861] bond0: (slave eth0): Releasing backup interface
[  533.116957] bond0 (unregistering): Released all slaves