[ 905.232728][ T6743] gre: GRE over IPv4 demultiplexer driver [ 905.254206][ T6743] ip_gre: GRE over IPv4 tunneling driver [ 905.332200][ T6742] ip (6742) used greatest stack depth: 24096 bytes left [ 926.987440][ C3] clocksource: Long readout interval, skipping watchdog check: cs_nsec: 1014821597 wd_nsec: 1014821709