[ 4430.940297][T29232] gre: GRE over IPv4 demultiplexer driver
[ 4432.605762][T29255] ip_gre: GRE over IPv4 tunneling driver
[ 4482.605006][T29826] ip6_gre: GRE over IPv6 tunneling driver
[ 4507.305708][T30119] ping (30119) used greatest stack depth: 23472 bytes left
[ 4516.891821][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4522.011775][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4526.363789][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4531.483794][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4604.281971][T31209] ping (31209) used greatest stack depth: 23136 bytes left