[  518.969794] bond0: (slave eth0): making interface the new active one
[  518.969907] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.141365] bond0: (slave eth0): Releasing backup interface
[  523.204161] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.368964] bond0: (slave eth0): Releasing backup interface
[  527.395888] bond0 (unregistering): Released all slaves