[ 4417.806080][T29186] gre: GRE over IPv4 demultiplexer driver
[ 4419.472194][T29209] ip_gre: GRE over IPv4 tunneling driver
[ 4468.879745][T29789] ip6_gre: GRE over IPv6 tunneling driver
[ 4502.676032][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4507.666972][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4512.018941][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4516.947945][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4592.329432][T31213] ping (31213) used greatest stack depth: 23216 bytes left