[  519.851297] bond0: (slave eth0): making interface the new active one
[  519.851388] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.066988] bond0: (slave eth0): Releasing backup interface
[  524.182825] bond0: (slave eth0): Enslaving as an active interface with an up link
[  528.412035] bond0: (slave eth0): Releasing backup interface
[  528.442015] bond0 (unregistering): Released all slaves