[  518.450456] bond0: (slave eth0): making interface the new active one
[  518.450537] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.636463] bond0: (slave eth0): Releasing backup interface
[  522.708163] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.860506] bond0: (slave eth0): Releasing backup interface
[  526.891441] bond0 (unregistering): Released all slaves