[ 15.082218][ T252] ip (252) used greatest stack depth: 24136 bytes left [ 22.700762][ T328] gre: GRE over IPv4 demultiplexor driver [ 22.773367][ T328] ip6_gre: GRE over IPv6 tunneling driver [ 25.315362][ T350] 8021q: 802.1Q VLAN Support v1.8 [ 30.041729][ T388] GACT probability NOT on [ 63.577602][ C0] clocksource: Long readout interval, skipping watchdog check: cs_nsec: 1111007082 wd_nsec: 1111007012 [ 1700.186217][T17066] ping6 (17066) used greatest stack depth: 24056 bytes left