[ 3186.429244][T28952] gre: GRE over IPv4 demultiplexor driver
[ 3187.619242][T28976] ip_gre: GRE over IPv4 tunneling driver
[ 3225.630826][T29548] ip6_gre: GRE over IPv6 tunneling driver
[ 3232.435658][T10876] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3237.536329][T29747] ping (29747) used greatest stack depth: 22672 bytes left
[ 3240.818602][T20335] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3249.906480][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3253.554512][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3256.818503][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3260.786494][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!