[ 21.856730][ T224] ip (224) used greatest stack depth: 24112 bytes left [ 24.687496][ T296] gre: GRE over IPv4 demultiplexer driver [ 24.702753][ T296] ip_gre: GRE over IPv4 tunneling driver [ 25.678457][ T326] 8021q: 802.1Q VLAN Support v1.8 [ 27.202840][ T365] GACT probability NOT on [ 45.997452][ C1] clocksource: Long readout interval, skipping watchdog check: cs_nsec: 1069898955 wd_nsec: 1069898601 [ 567.324155][T14558] ping6 (14558) used greatest stack depth: 24072 bytes left