[ 4277.385780][T29215] gre: GRE over IPv4 demultiplexer driver
[ 4279.025185][T29238] ip_gre: GRE over IPv4 tunneling driver
[ 4335.630367][T29810] ip6_gre: GRE over IPv6 tunneling driver
[ 4364.975151][T30153] ping (30153) used greatest stack depth: 23488 bytes left
[ 4370.237911][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4375.166799][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4379.326803][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4384.189811][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!