[ 4487.864500][T25927] gre: GRE over IPv4 demultiplexor driver
[ 4489.880370][T25950] ip_gre: GRE over IPv4 tunneling driver
[ 4526.550270][T26304] ping (26304) used greatest stack depth: 22752 bytes left
[ 4551.350574][T26530] ip6_gre: GRE over IPv6 tunneling driver
[ 4593.274296][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4599.226219][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4604.219193][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4610.042220][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!