[ 13.789928][ T304] gre: GRE over IPv4 demultiplexer driver [ 13.801312][ T304] ip_gre: GRE over IPv4 tunneling driver [ 14.413282][ T327] 8021q: 802.1Q VLAN Support v1.8 [ 15.500341][ T372] GACT probability NOT on [ 31.562523][ C0] clocksource: Long readout interval, skipping watchdog check: cs_nsec: 1153630599 wd_nsec: 1153630131 [ 636.505992][T15930] ping6 (15930) used greatest stack depth: 23520 bytes left