[ 3459.374776][T31404] gre: GRE over IPv4 demultiplexor driver
[ 3460.676908][T31428] ip_gre: GRE over IPv4 tunneling driver
[ 3478.574958][T31725] ping (31725) used greatest stack depth: 23200 bytes left
[ 3500.076879][T32002] ip6_gre: GRE over IPv6 tunneling driver
[ 3507.300505][T31433] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3512.998104][T32202] ping (32202) used greatest stack depth: 22400 bytes left
[ 3522.979417][T30737] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3526.884354][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3531.299349][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3534.692340][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3538.468323][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!