[ 4574.651585][T28706] gre: GRE over IPv4 demultiplexer driver
[ 4576.332818][T28729] ip_gre: GRE over IPv4 tunneling driver
[ 4626.700434][T29300] ip6_gre: GRE over IPv6 tunneling driver
[ 4662.110476][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4667.166383][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4671.582376][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4676.766365][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!