[ 3115.750183][T26351] gre: GRE over IPv4 demultiplexor driver
[ 3117.000233][T26375] ip_gre: GRE over IPv4 tunneling driver
[ 3152.942801][T26955] ip6_gre: GRE over IPv6 tunneling driver
[ 3167.320071][T27207] ping (27207) used greatest stack depth: 23312 bytes left
[ 3176.809354][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3180.521309][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3183.720305][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3187.624333][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3312.870943][T29576] ping (29576) used greatest stack depth: 22720 bytes left