[ 8.569878][ T181] ip (181) used greatest stack depth: 24240 bytes left [ 10.274971][ T255] gre: GRE over IPv4 demultiplexer driver [ 10.283726][ T255] ip_gre: GRE over IPv4 tunneling driver [ 10.804145][ T278] 8021q: 802.1Q VLAN Support v1.8 [ 11.719446][ T318] GACT probability NOT on [ 88.649234][ T2655] ping6 (2655) used greatest stack depth: 23168 bytes left