[  519.926905] bond0: (slave eth0): making interface the new active one
[  519.927014] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.112635] bond0: (slave eth0): Releasing backup interface
[  524.174376] bond0: (slave eth0): Enslaving as an active interface with an up link
[  528.341073] bond0: (slave eth0): Releasing backup interface
[  528.379133] bond0 (unregistering): Released all slaves