[  518.151887] bond0: (slave eth0): making interface the new active one
[  518.151980] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.398439] bond0: (slave eth0): Releasing backup interface
[  522.505351] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.686171] bond0: (slave eth0): Releasing backup interface
[  526.727053] bond0 (unregistering): Released all slaves