[  518.211399] bond0: (slave eth0): making interface the new active one
[  518.211509] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.462818] bond0: (slave eth0): Releasing backup interface
[  522.588282] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.815144] bond0: (slave eth0): Releasing backup interface
[  526.838087] bond0 (unregistering): Released all slaves