[ 4155.743398][T29243] gre: GRE over IPv4 demultiplexer driver
[ 4157.350105][T29266] ip_gre: GRE over IPv4 tunneling driver
[ 4205.492738][T29839] ip6_gre: GRE over IPv6 tunneling driver
[ 4233.562835][T30182] ping (30182) used greatest stack depth: 22928 bytes left
[ 4238.690572][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4243.555481][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4247.778468][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4252.579494][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!