[ 4442.541355][T29210] gre: GRE over IPv4 demultiplexer driver
[ 4444.205785][T29233] ip_gre: GRE over IPv4 tunneling driver
[ 4494.244647][T29804] ip6_gre: GRE over IPv6 tunneling driver
[ 4523.547275][T30149] ping (30149) used greatest stack depth: 23440 bytes left
[ 4528.744150][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4533.800107][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4538.152057][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4543.144078][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!