[ 4400.730482][T25914] gre: GRE over IPv4 demultiplexor driver
[ 4402.747825][T25937] ip_gre: GRE over IPv4 tunneling driver
[ 4462.136215][T26509] ip6_gre: GRE over IPv6 tunneling driver
[ 4505.009540][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4511.026349][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4516.017417][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4522.033439][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4560.992822][T27422] ping (27422) used greatest stack depth: 22832 bytes left