[ 1450.827835][T21705] gre: GRE over IPv4 demultiplexer driver
[ 1451.415238][T21728] ip_gre: GRE over IPv4 tunneling driver
[ 1468.906942][T22302] ip6_gre: GRE over IPv6 tunneling driver
[ 1477.055463][T22645] ping (22645) used greatest stack depth: 23320 bytes left
[ 1480.165965][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1482.278931][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1484.133933][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1486.181939][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1548.632772][T24923] ping (24923) used greatest stack depth: 23008 bytes left