[ 4248.891068][T29281] gre: GRE over IPv4 demultiplexer driver
[ 4250.495749][T29304] ip_gre: GRE over IPv4 tunneling driver
[ 4298.451880][T29880] ip6_gre: GRE over IPv6 tunneling driver
[ 4327.089789][T30223] ping (30223) used greatest stack depth: 23488 bytes left
[ 4332.278294][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4337.142250][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4341.303231][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4346.102211][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4415.610440][T31267] ping (31267) used greatest stack depth: 23184 bytes left