[  503.361969] bond0: (slave eth0): making interface the new active one
[  503.362157] bond0: (slave eth0): Enslaving as an active interface with an up link
[  507.538368] bond0: (slave eth0): Releasing backup interface
[  507.625375] bond0: (slave eth0): Enslaving as an active interface with an up link
[  511.767533] bond0: (slave eth0): Releasing backup interface
[  511.793378] bond0 (unregistering): Released all slaves