[ 3238.296408][T23672] gre: GRE over IPv4 demultiplexer driver
[ 3239.912509][T23695] ip_gre: GRE over IPv4 tunneling driver
[ 3268.400369][T24041] ping (24041) used greatest stack depth: 23376 bytes left
[ 3288.823778][T24266] ip6_gre: GRE over IPv6 tunneling driver
[ 3322.114564][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3327.169496][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3331.329504][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3336.194478][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!