[  517.932667] bond0: (slave eth0): making interface the new active one
[  517.932763] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.200250] bond0: (slave eth0): Releasing backup interface
[  522.312321] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.493298] bond0: (slave eth0): Releasing backup interface
[  526.518022] bond0 (unregistering): Released all slaves