[ 4455.124798][T25991] gre: GRE over IPv4 demultiplexor driver
[ 4457.208836][T26014] ip_gre: GRE over IPv4 tunneling driver
[ 4517.430776][T26586] ip6_gre: GRE over IPv6 tunneling driver
[ 4524.571469][T26647] ping (26647) used greatest stack depth: 23552 bytes left
[ 4543.907937][T26836] ping (26836) used greatest stack depth: 23376 bytes left
[ 4559.390696][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4565.342631][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4570.399625][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4576.351614][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!