[ 4301.952329][T29275] gre: GRE over IPv4 demultiplexer driver
[ 4303.555109][T29298] ip_gre: GRE over IPv4 tunneling driver
[ 4349.960155][T29869] ip6_gre: GRE over IPv6 tunneling driver
[ 4369.890197][T30120] ping (30120) used greatest stack depth: 23104 bytes left
[ 4382.534848][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4387.399770][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4391.558760][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4396.423735][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!