[  867.017296][ T5052] ip (5052) used greatest stack depth: 24296 bytes left
[  868.370673][ T5064] gre: GRE over IPv4 demultiplexer driver
[  868.392572][ T5064] ip_gre: GRE over IPv4 tunneling driver
[  938.967638][    C0] hrtimer: interrupt took 21839942 ns