[  518.436188] bond0: (slave eth0): making interface the new active one
[  518.436328] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.643599] bond0: (slave eth0): Releasing backup interface
[  522.711828] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.877540] bond0: (slave eth0): Releasing backup interface
[  526.909279] bond0 (unregistering): Released all slaves