[  835.571859][ T9748] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  835.657782][ T9749] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  835.783097][ T9750] br0: port 1(veth0) entered blocking state
[  835.783508][ T9750] br0: port 1(veth0) entered disabled state
[  835.783901][ T9750] veth0: entered allmulticast mode
[  835.786604][ T9750] veth0: entered promiscuous mode
[  835.884155][ T9751] br0: port 2(veth1) entered blocking state
[  835.884790][ T9751] br0: port 2(veth1) entered disabled state
[  835.885069][ T9751] veth1: entered allmulticast mode
[  835.886277][ T9751] veth1: entered promiscuous mode
[  836.384461][ T9178] br0: port 1(veth0) entered blocking state
[  836.384831][ T9178] br0: port 1(veth0) entered forwarding state
[  836.385875][ T9178] br0: port 2(veth1) entered blocking state
[  836.386084][ T9178] br0: port 2(veth1) entered forwarding state
[  837.505804][ T9084] bond0: (slave veth1): link status definitely up
[  837.506242][ T9084] bond0: (slave veth1): making interface the new active one
[  837.507500][ T9084] bond0: active interface up!
[  837.988958][ T9084] veth1: left allmulticast mode
[  837.989207][ T9084] veth1: left promiscuous mode
[  837.989611][ T9084] br0: port 2(veth1) entered disabled state
[  837.991674][ T9084] veth0: left allmulticast mode
[  837.991901][ T9084] veth0: left promiscuous mode
[  837.992267][ T9084] br0: port 1(veth0) entered disabled state
[  838.152227][ T9084] bond0: (slave veth1): Releasing backup interface
[  838.338066][ T9084] bond0: (slave veth0): Releasing backup interface
[  838.527571][ T9084] bond0 (unregistering): Released all slaves