[  516.763964] bond0: (slave eth0): making interface the new active one
[  516.764063] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.912036] bond0: (slave eth0): Releasing backup interface
[  520.976035] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.141127] bond0: (slave eth0): Releasing backup interface
[  525.179171] bond0 (unregistering): Released all slaves