[  516.933189] bond0: (slave eth0): making interface the new active one
[  516.933282] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.101448] bond0: (slave eth0): Releasing backup interface
[  521.186011] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.322726] bond0: (slave eth0): Releasing backup interface
[  525.348561] bond0 (unregistering): Released all slaves