[ 3387.885203][T30225] gre: GRE over IPv4 demultiplexor driver
[ 3389.049956][T30248] ip_gre: GRE over IPv4 tunneling driver
[ 3424.633268][T30827] ip6_gre: GRE over IPv6 tunneling driver
[ 3444.498106][T31171] ping (31171) used greatest stack depth: 23312 bytes left
[ 3448.740598][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3452.515507][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3455.779519][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3459.555573][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!