[ 1217.299308][T29953] gre: GRE over IPv4 demultiplexer driver
[ 1217.839432][T29976] ip_gre: GRE over IPv4 tunneling driver
[ 1223.701299][T30228] ping (30228) used greatest stack depth: 23280 bytes left
[ 1234.515113][T30548] ip6_gre: GRE over IPv6 tunneling driver
[ 1238.514708][  T267] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1242.668002][T30901] ping (30901) used greatest stack depth: 23072 bytes left
[ 1245.625600][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1247.737615][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1249.722610][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1251.833622][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!