[ 3135.295137][T20223] gre: GRE over IPv4 demultiplexor driver
[ 3136.448842][T20247] ip_gre: GRE over IPv4 tunneling driver
[ 3151.060582][T20507] ping (20507) used greatest stack depth: 23856 bytes left
[ 3155.305265][T20593] ip (20593) used greatest stack depth: 23632 bytes left
[ 3173.029997][T20827] ip6_gre: GRE over IPv6 tunneling driver
[ 3188.032956][T21077] ping (21077) used greatest stack depth: 23312 bytes left
[ 3193.575401][  T266] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3197.352285][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3201.064282][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3204.263324][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3207.911293][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!