[  518.308366] bond0: (slave eth0): making interface the new active one
[  518.308507] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.461455] bond0: (slave eth0): Releasing backup interface
[  522.529395] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.682476] bond0: (slave eth0): Releasing backup interface
[  526.707480] bond0 (unregistering): Released all slaves