[ 869.249156][T16252] ip (16252) used greatest stack depth: 23696 bytes left [ 874.252918][T16311] gre: GRE over IPv4 demultiplexer driver [ 874.304107][T16311] ip_gre: GRE over IPv4 tunneling driver [ 916.522149][ C2] clocksource: Long readout interval, skipping watchdog check: cs_nsec: 1024847678 wd_nsec: 1024847144