[ 2928.567202][T23664] gre: GRE over IPv4 demultiplexer driver
[ 2930.155394][T23687] ip_gre: GRE over IPv4 tunneling driver
[ 2978.521760][T24260] ip6_gre: GRE over IPv6 tunneling driver
[ 2999.158744][T24509] ping (24509) used greatest stack depth: 23536 bytes left
[ 3012.019175][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3016.884081][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3021.043144][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3025.908124][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!