[ 1121.354583][T12257] gre: GRE over IPv4 demultiplexer driver [ 1121.388532][T12257] ip_gre: GRE over IPv4 tunneling driver [ 1121.885805][T12264] ip (12264) used greatest stack depth: 23616 bytes left [ 1151.034904][ C3] clocksource: Long readout interval, skipping watchdog check: cs_nsec: 1078775245 wd_nsec: 1078774891