[ 4454.123544][T25965] gre: GRE over IPv4 demultiplexor driver
[ 4456.082504][T25988] ip_gre: GRE over IPv4 tunneling driver
[ 4515.552547][T26561] ip6_gre: GRE over IPv6 tunneling driver
[ 4557.429454][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4563.380346][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4568.372353][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4574.516351][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4603.274652][T27393] ping (27393) used greatest stack depth: 22512 bytes left