[  518.130153] bond0: (slave eth0): making interface the new active one
[  518.130239] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.325940] bond0: (slave eth0): Releasing backup interface
[  522.413814] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.549463] bond0: (slave eth0): Releasing backup interface
[  526.571397] bond0 (unregistering): Released all slaves