[  518.691536] bond0: (slave eth0): making interface the new active one
[  518.691643] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.890789] bond0: (slave eth0): Releasing backup interface
[  522.950690] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.115348] bond0: (slave eth0): Releasing backup interface
[  527.138298] bond0 (unregistering): Released all slaves