[  538.217889] bond0: (slave eth0): making interface the new active one
[  538.217983] bond0: (slave eth0): Enslaving as an active interface with an up link
[  542.424505] bond0: (slave eth0): Releasing backup interface
[  542.519901] bond0: (slave eth0): Enslaving as an active interface with an up link
[  546.702798] bond0: (slave eth0): Releasing backup interface
[  546.732759] bond0 (unregistering): Released all slaves