[ 3208.574315][T23673] gre: GRE over IPv4 demultiplexer driver
[ 3210.184236][T23696] ip_gre: GRE over IPv4 tunneling driver
[ 3258.259134][T24267] ip6_gre: GRE over IPv6 tunneling driver
[ 3275.235135][ T9286] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3278.945885][T24523] ping (24523) used greatest stack depth: 23168 bytes left
[ 3291.424498][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3296.415553][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3300.640522][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3305.567511][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!