[  516.129720] bond0: (slave eth0): making interface the new active one
[  516.129795] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.347192] bond0: (slave eth0): Releasing backup interface
[  520.457284] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.638302] bond0: (slave eth0): Releasing backup interface
[  524.672553] bond0 (unregistering): Released all slaves