[ 4355.328646][T29186] gre: GRE over IPv4 demultiplexer driver
[ 4357.028548][T29209] ip_gre: GRE over IPv4 tunneling driver
[ 4416.310526][T29781] ip6_gre: GRE over IPv6 tunneling driver
[ 4439.408712][T30030] ping (30030) used greatest stack depth: 23440 bytes left
[ 4454.110019][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4460.446844][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4465.373858][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4470.494775][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4657.847346][T32323] ping (32323) used greatest stack depth: 23360 bytes left