[ 4676.493560][T24386] gre: GRE over IPv4 demultiplexor driver
[ 4678.653537][T24409] ip_gre: GRE over IPv4 tunneling driver
[ 4743.281950][T24983] ip6_gre: GRE over IPv6 tunneling driver
[ 4766.574816][T25182] ping (25182) used greatest stack depth: 22384 bytes left
[ 4789.146496][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4795.418403][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4800.731384][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4807.131385][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!