[ 4579.675766][T29664] gre: GRE over IPv4 demultiplexer driver
[ 4581.395196][T29687] ip_gre: GRE over IPv4 tunneling driver
[ 4632.219498][T30261] ip6_gre: GRE over IPv6 tunneling driver
[ 4667.505983][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4672.497953][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4676.849893][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4681.905900][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4755.640581][T31642] ping (31642) used greatest stack depth: 22768 bytes left