[ 3414.314007][T30192] gre: GRE over IPv4 demultiplexor driver
[ 3415.511462][T30216] ip_gre: GRE over IPv4 tunneling driver
[ 3452.660226][T30789] ip6_gre: GRE over IPv6 tunneling driver
[ 3464.944574][T14902] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3467.489187][T31038] ping (31038) used greatest stack depth: 23456 bytes left
[ 3477.231455][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3481.007460][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3484.271438][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3488.047457][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3535.960800][T32119] ping (32119) used greatest stack depth: 23008 bytes left