[ 4275.386600][T29216] gre: GRE over IPv4 demultiplexer driver
[ 4277.026861][T29240] ip_gre: GRE over IPv4 tunneling driver
[ 4325.469217][T29813] ip6_gre: GRE over IPv6 tunneling driver
[ 4342.206230][ T7537] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 4358.460121][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4363.196132][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4367.292133][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4372.348280][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4444.462332][T31197] ping (31197) used greatest stack depth: 23568 bytes left