[ 4664.635103][T25548] gre: GRE over IPv4 demultiplexor driver
[ 4666.903747][T25571] ip_gre: GRE over IPv4 tunneling driver
[ 4731.841281][T26150] ip6_gre: GRE over IPv6 tunneling driver
[ 4762.008670][T26400] ping (26400) used greatest stack depth: 23488 bytes left
[ 4772.936533][T26494] ping (26494) used greatest stack depth: 23248 bytes left
[ 4779.382683][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4785.783604][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4791.286586][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4797.622620][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!