[ 3388.350587][T31401] gre: GRE over IPv4 demultiplexor driver
[ 3389.502030][T31425] ip_gre: GRE over IPv4 tunneling driver
[ 3406.159990][T31722] ping (31722) used greatest stack depth: 23064 bytes left
[ 3424.403798][T31999] ip6_gre: GRE over IPv6 tunneling driver
[ 3425.781022][T26217] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3448.371882][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3452.211891][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3455.476891][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3459.251890][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!