[  516.864727] bond0: (slave eth0): making interface the new active one
[  516.864878] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.049713] bond0: (slave eth0): Releasing backup interface
[  521.144344] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.337393] bond0: (slave eth0): Releasing backup interface
[  525.366341] bond0 (unregistering): Released all slaves