[ 820.441921][ T3091] gre: GRE over IPv4 demultiplexor driver [ 820.526496][ T3091] ip6_gre: GRE over IPv6 tunneling driver [ 938.974766][ C3] clocksource: Long readout interval, skipping watchdog check: cs_nsec: 1008146270 wd_nsec: 1008146319 [ 979.051476][ C0] hrtimer: interrupt took 6878104 ns