[ 4064.988430][T24642] gre: GRE over IPv4 demultiplexor driver
[ 4067.073188][T24666] ip_gre: GRE over IPv4 tunneling driver
[ 4128.739568][T25240] ip6_gre: GRE over IPv6 tunneling driver
[ 4155.499097][T25490] ping (25490) used greatest stack depth: 23360 bytes left
[ 4171.575441][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4177.463353][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4182.454349][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4188.342345][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4285.933529][T26664] ping (26664) used greatest stack depth: 23072 bytes left