[ 1192.541288][ T5914] ip (5914) used greatest stack depth: 23600 bytes left [ 1197.121855][ T5968] gre: GRE over IPv4 demultiplexer driver [ 1197.152823][ T5968] ip_gre: GRE over IPv4 tunneling driver [ 1220.492395][ C1] clocksource: Long readout interval, skipping watchdog check: cs_nsec: 1490108859 wd_nsec: 1490108173