[  518.950906] bond0: (slave eth0): making interface the new active one
[  518.950997] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.150540] bond0: (slave eth0): Releasing backup interface
[  523.228920] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.377399] bond0: (slave eth0): Releasing backup interface
[  527.406321] bond0 (unregistering): Released all slaves