[ 1428.605400][T11896] gre: GRE over IPv4 demultiplexer driver
[ 1429.034862][T11919] ip_gre: GRE over IPv4 tunneling driver
[ 1444.382083][T12490] ip6_gre: GRE over IPv6 tunneling driver
[ 1448.657834][T12689] ping (12689) used greatest stack depth: 23944 bytes left
[ 1449.720968][T12739] ping (12739) used greatest stack depth: 22432 bytes left
[ 1454.527659][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1456.511628][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1458.367628][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1460.350645][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!