[ 1380.547908][T30129] gre: GRE over IPv4 demultiplexer driver
[ 1381.016133][T30152] ip_gre: GRE over IPv4 tunneling driver
[ 1396.222351][T30723] ip6_gre: GRE over IPv6 tunneling driver
[ 1397.699311][T27220] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1401.460579][T30972] ping (30972) used greatest stack depth: 22640 bytes left
[ 1406.100254][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1408.019252][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1409.811248][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1411.795256][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!