[ 3007.428415][T25962] gre: GRE over IPv4 demultiplexer driver
[ 3009.042177][T25985] ip_gre: GRE over IPv4 tunneling driver
[ 3057.852981][T26564] ip6_gre: GRE over IPv6 tunneling driver
[ 3086.930653][T26921] ping (26921) used greatest stack depth: 23552 bytes left
[ 3092.327156][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3097.191043][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3101.351024][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3106.215037][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!