[  513.825307] bond0: (slave eth0): making interface the new active one
[  513.825400] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.035874] bond0: (slave eth0): Releasing backup interface
[  518.136441] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.331959] bond0: (slave eth0): Releasing backup interface
[  522.371887] bond0 (unregistering): Released all slaves