[  529.122971] bond0: (slave eth0): making interface the new active one
[  529.123057] bond0: (slave eth0): Enslaving as an active interface with an up link
[  533.335599] bond0: (slave eth0): Releasing backup interface
[  533.419908] bond0: (slave eth0): Enslaving as an active interface with an up link
[  537.559551] bond0: (slave eth0): Releasing backup interface
[  537.593502] bond0 (unregistering): Released all slaves