[ 1402.017349][T10371] gre: GRE over IPv4 demultiplexer driver
[ 1402.536578][T10394] ip_gre: GRE over IPv4 tunneling driver
[ 1408.313763][T10647] ping (10647) used greatest stack depth: 24128 bytes left
[ 1419.184718][T10966] ip6_gre: GRE over IPv6 tunneling driver
[ 1422.134044][T11100] ip (11100) used greatest stack depth: 24056 bytes left
[ 1425.250475][T11215] ping (11215) used greatest stack depth: 23808 bytes left
[ 1427.655148][T11309] ping (11309) used greatest stack depth: 22816 bytes left
[ 1430.525641][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1432.574610][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1434.493604][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1436.669609][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!