[  508.221358] bond0: (slave eth0): making interface the new active one
[  508.221443] bond0: (slave eth0): Enslaving as an active interface with an up link
[  512.403528] bond0: (slave eth0): Releasing backup interface
[  512.472741] bond0: (slave eth0): Enslaving as an active interface with an up link
[  516.633195] bond0: (slave eth0): Releasing backup interface
[  516.667200] bond0 (unregistering): Released all slaves